Category:Dongsun Yoo: Difference between revisions
Updating Category:Dongsun_Yoo |
Updating Category:Dongsun_Yoo |
||
| Line 2: | Line 2: | ||
=== Executive Summary === | === Executive Summary === | ||
Dongsun Yoo is an inventor who has filed 20 patents. Their primary areas of innovation include | Dongsun Yoo is an inventor who has filed 20 patents. Their primary areas of innovation include MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE (13 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (11 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (7 patents), and they have worked with companies such as Samsung Display Co., Ltd. (14 patents), Samsung Display Co., LTD. (6 patents). Their most frequent collaborators include [[Category:Hoilim Kim|Hoilim Kim]] (20 collaborations), [[Category:Jihye Kim|Jihye Kim]] (12 collaborations), [[Category:Saerom Park|Saerom Park]] (12 collaborations). | ||
=== Patent Filing Activity === | === Patent Filing Activity === | ||
| Line 11: | Line 11: | ||
==== List of Technology Areas ==== | ==== List of Technology Areas ==== | ||
* [[:Category:CPC_C09K11/06|C09K11/06]] ( | * [[:Category:CPC_C09K11/06|C09K11/06]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 13 patents | ||
* [[:Category:CPC_H10K50/11|H10K50/11]] ( | * [[:Category:CPC_H10K50/11|H10K50/11]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 11 patents | ||
* [[:Category:CPC_H10K85/346|H10K85/346]] ( | * [[:Category:CPC_H10K85/346|H10K85/346]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 7 patents | ||
* [[:Category:CPC_H10K50/16|H10K50/16]] ( | * [[:Category:CPC_H10K50/16|H10K50/16]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 6 patents | ||
* [[:Category:CPC_H10K85/654|H10K85/654]] ( | * [[:Category:CPC_H10K85/654|H10K85/654]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents | ||
* [[:Category:CPC_H10K85/6574|H10K85/6574]] ( | * [[:Category:CPC_H10K85/6574|H10K85/6574]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents | ||
* [[:Category:CPC_H10K85/657|H10K85/657]] ( | * [[:Category:CPC_H10K85/657|H10K85/657]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents | ||
* [[:Category:CPC_H10K50/15|H10K50/15]] ( | * [[:Category:CPC_H10K50/15|H10K50/15]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents | ||
* [[:Category:CPC_C07F15/0086|C07F15/0086]] ( | * [[:Category:CPC_C07F15/0086|C07F15/0086]] (Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table): 4 patents | ||
* [[:Category:CPC_H10K85/6572|H10K85/6572]] ( | * [[:Category:CPC_H10K85/6572|H10K85/6572]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents | ||
* [[:Category:CPC_H10K85/342|H10K85/342]] ( | * [[:Category:CPC_H10K85/342|H10K85/342]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents | ||
* [[:Category:CPC_H10K85/655|H10K85/655]] ( | * [[:Category:CPC_H10K85/655|H10K85/655]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents | ||
* [[:Category:CPC_H10K85/6576|H10K85/6576]] ( | * [[:Category:CPC_H10K85/6576|H10K85/6576]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents | ||
* [[:Category:CPC_H10K50/805|H10K50/805]] ( | * [[:Category:CPC_H10K50/805|H10K50/805]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents | ||
* [[:Category:CPC_H10K50/12|H10K50/12]] ( | * [[:Category:CPC_H10K50/12|H10K50/12]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents | ||
* [[:Category:CPC_C07F15/0033|C07F15/0033]] ( | * [[:Category:CPC_C07F15/0033|C07F15/0033]] (Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table): 3 patents | ||
* [[:Category:CPC_H10K85/658|H10K85/658]] ( | * [[:Category:CPC_H10K85/658|H10K85/658]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents | ||
* [[:Category:CPC_G02F1/133514|G02F1/133514]] ( | * [[:Category:CPC_G02F1/133514|G02F1/133514]] ({Colour filters}): 2 patents | ||
* [[:Category:CPC_H10K85/615|H10K85/615]] ( | * [[:Category:CPC_H10K85/615|H10K85/615]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents | ||
* [[:Category:CPC_C07D495/04|C07D495/04]] ( | * [[:Category:CPC_C07D495/04|C07D495/04]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 2 patents | ||
* [[:Category:CPC_C07F5/027|C07F5/027]] ( | * [[:Category:CPC_C07F5/027|C07F5/027]] (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents | ||
* [[:Category:CPC_H10K50/181|H10K50/181]] ( | * [[:Category:CPC_H10K50/181|H10K50/181]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K50/82|H10K50/82]] ( | * [[:Category:CPC_H10K50/82|H10K50/82]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C09K2211/1018|C09K2211/1018]] ( | * [[:Category:CPC_C09K2211/1018|C09K2211/1018]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents | ||
* [[:Category:CPC_H10K85/653|H10K85/653]] ( | * [[:Category:CPC_H10K85/653|H10K85/653]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K2101/10|H10K2101/10]] ( | * [[:Category:CPC_H10K2101/10|H10K2101/10]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C09K11/02|C09K11/02]] ( | * [[:Category:CPC_C09K11/02|C09K11/02]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents | ||
* [[:Category:CPC_H10K85/626|H10K85/626]] ( | * [[:Category:CPC_H10K85/626|H10K85/626]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C09K2211/1025|C09K2211/1025]] ( | * [[:Category:CPC_C09K2211/1025|C09K2211/1025]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents | ||
* [[:Category:CPC_H10K85/322|H10K85/322]] ( | * [[:Category:CPC_H10K85/322|H10K85/322]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C07D333/06|C07D333/06]] ( | * [[:Category:CPC_C07D333/06|C07D333/06]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D471/06|C07D471/06]] ( | * [[:Category:CPC_C07D471/06|C07D471/06]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D493/06|C07D493/06]] ( | * [[:Category:CPC_C07D493/06|C07D493/06]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D517/16|C07D517/16]] ( | * [[:Category:CPC_C07D517/16|C07D517/16]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07F5/022|C07F5/022]] ( | * [[:Category:CPC_C07F5/022|C07F5/022]] (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents | ||
* [[:Category:CPC_H10K30/20|H10K30/20]] ( | * [[:Category:CPC_H10K30/20|H10K30/20]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K85/621|H10K85/621]] ( | * [[:Category:CPC_H10K85/621|H10K85/621]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K2101/40|H10K2101/40]] ( | * [[:Category:CPC_H10K2101/40|H10K2101/40]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K50/171|H10K50/171]] ( | * [[:Category:CPC_H10K50/171|H10K50/171]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K2102/351|H10K2102/351]] ( | * [[:Category:CPC_H10K2102/351|H10K2102/351]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_H10K50/115|H10K50/115]] ( | * [[:Category:CPC_H10K50/115|H10K50/115]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C09D5/22|C09D5/22]] ( | * [[:Category:CPC_C09D5/22|C09D5/22]] (Luminous paints {(luminescent compositions): 1 patents | ||
* [[:Category:CPC_C09K11/0811|C09K11/0811]] ( | * [[:Category:CPC_C09K11/0811|C09K11/0811]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents | ||
* [[:Category:CPC_C09K11/70|C09K11/70]] ( | * [[:Category:CPC_C09K11/70|C09K11/70]] (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents | ||
* [[:Category:CPC_C07D517/04|C07D517/04]] ( | * [[:Category:CPC_C07D517/04|C07D517/04]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07F5/02|C07F5/02]] ( | * [[:Category:CPC_C07F5/02|C07F5/02]] (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents | ||
* [[:Category:CPC_C07B2200/05|C07B2200/05]] ( | * [[:Category:CPC_C07B2200/05|C07B2200/05]] (GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation): 1 patents | ||
* [[:Category:CPC_H10K50/30|H10K50/30]] ( | * [[:Category:CPC_H10K50/30|H10K50/30]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C07D405/04|C07D405/04]] ( | * [[:Category:CPC_C07D405/04|C07D405/04]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D405/10|C07D405/10]] ( | * [[:Category:CPC_C07D405/10|C07D405/10]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D409/10|C07D409/10]] ( | * [[:Category:CPC_C07D409/10|C07D409/10]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D409/14|C07D409/14]] ( | * [[:Category:CPC_C07D409/14|C07D409/14]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D421/04|C07D421/04]] ( | * [[:Category:CPC_C07D421/04|C07D421/04]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_C07D421/10|C07D421/10]] ( | * [[:Category:CPC_C07D421/10|C07D421/10]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
* [[:Category:CPC_H10K85/636|H10K85/636]] ( | * [[:Category:CPC_H10K85/636|H10K85/636]] (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents | ||
* [[:Category:CPC_C07D519/00|C07D519/00]] ( | * [[:Category:CPC_C07D519/00|C07D519/00]] (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents | ||
=== Companies === | === Companies === | ||
Latest revision as of 08:12, 19 July 2024
Dongsun Yoo
Executive Summary
Dongsun Yoo is an inventor who has filed 20 patents. Their primary areas of innovation include MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE (13 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (11 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (7 patents), and they have worked with companies such as Samsung Display Co., Ltd. (14 patents), Samsung Display Co., LTD. (6 patents). Their most frequent collaborators include (20 collaborations), (12 collaborations), (12 collaborations).
Patent Filing Activity
File:Dongsun Yoo Monthly Patent Applications.png
Technology Areas
File:Dongsun Yoo Top Technology Areas.png
List of Technology Areas
- C09K11/06 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 13 patents
- H10K50/11 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 11 patents
- H10K85/346 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 7 patents
- H10K50/16 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 6 patents
- H10K85/654 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents
- H10K85/6574 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents
- H10K85/657 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 5 patents
- H10K50/15 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents
- C07F15/0086 (Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table): 4 patents
- H10K85/6572 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents
- H10K85/342 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 4 patents
- H10K85/655 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
- H10K85/6576 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
- H10K50/805 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
- H10K50/12 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
- C07F15/0033 (Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table): 3 patents
- H10K85/658 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
- G02F1/133514 ({Colour filters}): 2 patents
- H10K85/615 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
- C07D495/04 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 2 patents
- C07F5/027 (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents
- H10K50/181 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K50/82 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C09K2211/1018 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents
- H10K85/653 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K2101/10 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C09K11/02 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents
- H10K85/626 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C09K2211/1025 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents
- H10K85/322 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C07D333/06 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D471/06 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D493/06 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D517/16 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07F5/022 (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents
- H10K30/20 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K85/621 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K2101/40 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K50/171 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K2102/351 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- H10K50/115 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C09D5/22 (Luminous paints {(luminescent compositions): 1 patents
- C09K11/0811 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents
- C09K11/70 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 1 patents
- C07D517/04 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07F5/02 (ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins): 1 patents
- C07B2200/05 (GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR (preparation of carboxylic acid esters by telomerisation): 1 patents
- H10K50/30 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C07D405/04 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D405/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D409/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D409/14 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D421/04 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- C07D421/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
- H10K85/636 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
- C07D519/00 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
Companies
File:Dongsun Yoo Top Companies.png
List of Companies
- Samsung Display Co., Ltd.: 14 patents
- Samsung Display Co., LTD.: 6 patents
Collaborators
- Hoilim Kim (20 collaborations)
- Jihye Kim (12 collaborations)
- Saerom Park (12 collaborations)
- Gyeongheon Kim (11 collaborations)
- Seran Kim (10 collaborations)
- Sohae Kim (9 collaborations)
- Sooryun Cho (8 collaborations)
- Junyoung Lee (6 collaborations)
- Yongsub Shim (3 collaborations)
- Sanghee Yu (2 collaborations)
- Younho Han (2 collaborations)
- Seokgyu Yoon (2 collaborations)
- Jinsoo Jung (2 collaborations)
- Hyejin Jung (2 collaborations)
- Youngeun Choi (2 collaborations)
- Donguk Kang (2 collaborations)
- Sungyu Jung (1 collaborations)
- Minsoo Choi (1 collaborations)
- Hwasook Ryu (1 collaborations)
- Hyojoo Jung (1 collaborations)
- Gyubong Kim (1 collaborations)
- Sehun Kim (1 collaborations)
- Yohan Suh (1 collaborations)
- Yunku Jung (1 collaborations)
- Youngmi Cho (1 collaborations)
Subcategories
This category has the following 4 subcategories, out of 4 total.
Categories:
- Hoilim Kim
- Jihye Kim
- Saerom Park
- Pages with broken file links
- Gyeongheon Kim
- Seran Kim
- Sohae Kim
- Sooryun Cho
- Junyoung Lee
- Yongsub Shim
- Sanghee Yu
- Younho Han
- Seokgyu Yoon
- Jinsoo Jung
- Hyejin Jung
- Youngeun Choi
- Donguk Kang
- Sungyu Jung
- Minsoo Choi
- Hwasook Ryu
- Hyojoo Jung
- Gyubong Kim
- Sehun Kim
- Yohan Suh
- Yunku Jung
- Youngmi Cho
- Dongsun Yoo
- Inventors
- Inventors filing patents with Samsung Display Co., Ltd.
- Inventors filing patents with Samsung Display Co., LTD.