View source for Category:Yoshihiko KOYANAGI

== Yoshihiko KOYANAGI ==

=== Executive Summary ===
Yoshihiko KOYANAGI is an inventor who has filed 2 patents. Their primary areas of innovation include Ferrous alloys, e.g. steel alloys  (cast-iron alloys (2 patents), Ferrous alloys, e.g. steel alloys  (cast-iron alloys (2 patents), ALLOYS  (flints (2 patents), and they have worked with companies such as DAIDO STEEL CO., LTD. (2 patents). Their most frequent collaborators include [[Category:Naoki SEI|Naoki SEI]] (1 collaborations), [[Category:Chihiro FURUSHO|Chihiro FURUSHO]] (1 collaborations), [[Category:Nobuyuki TAKAHASHI|Nobuyuki TAKAHASHI]] (1 collaborations).

=== Patent Filing Activity ===
[[File:Yoshihiko_KOYANAGI_Monthly_Patent_Applications.png|border|800px]]

=== Technology Areas ===
[[File:Yoshihiko_KOYANAGI_Top_Technology_Areas.png|border|800px]]

==== List of Technology Areas ====
* [[:Category:CPC_C22C38/001|C22C38/001]] (Ferrous alloys, e.g. steel alloys  (cast-iron alloys): 2 patents
* [[:Category:CPC_C22C38/002|C22C38/002]] (Ferrous alloys, e.g. steel alloys  (cast-iron alloys): 2 patents
* [[:Category:CPC_C22C38/02|C22C38/02]] (ALLOYS  (flints): 2 patents
* [[:Category:CPC_C22C38/44|C22C38/44]] (ALLOYS  (flints): 2 patents
* [[:Category:CPC_C22C38/54|C22C38/54]] (ALLOYS  (flints): 2 patents
* [[:Category:CPC_C21D9/525|C21D9/525]] (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING  (surface treatment of metallic material involving at least one process provided for in class): 1 patents
* [[:Category:CPC_C21D6/004|C21D6/004]] (Heat treatment of ferrous alloys): 1 patents
* [[:Category:CPC_C21D6/005|C21D6/005]] (Heat treatment of ferrous alloys): 1 patents
* [[:Category:CPC_C21D6/008|C21D6/008]] (Heat treatment of ferrous alloys): 1 patents
* [[:Category:CPC_C21D8/065|C21D8/065]] (during manufacturing of rods or wires): 1 patents
* [[:Category:CPC_C22C38/004|C22C38/004]] (Ferrous alloys, e.g. steel alloys  (cast-iron alloys): 1 patents
* [[:Category:CPC_C22C38/04|C22C38/04]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C22C38/06|C22C38/06]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C22C38/42|C22C38/42]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C21D2211/005|C21D2211/005]] (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING  (surface treatment of metallic material involving at least one process provided for in class): 1 patents
* [[:Category:CPC_C22C38/58|C22C38/58]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C21D8/021|C21D8/021]] (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING  (surface treatment of metallic material involving at least one process provided for in class): 1 patents
* [[:Category:CPC_C22C38/46|C22C38/46]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C22C38/52|C22C38/52]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C22C38/60|C22C38/60]] (ALLOYS  (flints): 1 patents
* [[:Category:CPC_C21D2211/00|C21D2211/00]] (MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING  (surface treatment of metallic material involving at least one process provided for in class): 1 patents

=== Companies ===
[[File:Yoshihiko_KOYANAGI_Top_Companies.png|border|800px]]

==== List of Companies ====
* DAIDO STEEL CO., LTD.: 2 patents

=== Collaborators ===
* [[:Category:Naoki SEI|Naoki SEI]][[Category:Naoki SEI]] (1 collaborations)
* [[:Category:Chihiro FURUSHO|Chihiro FURUSHO]][[Category:Chihiro FURUSHO]] (1 collaborations)
* [[:Category:Nobuyuki TAKAHASHI|Nobuyuki TAKAHASHI]][[Category:Nobuyuki TAKAHASHI]] (1 collaborations)
* [[:Category:Daisuke KUDO|Daisuke KUDO]][[Category:Daisuke KUDO]] (1 collaborations)
* [[:Category:Tomohiro ANDO|Tomohiro ANDO]][[Category:Tomohiro ANDO]] (1 collaborations)

[[Category:Yoshihiko KOYANAGI]]
[[Category:Inventors]]
[[Category:Inventors filing patents with DAIDO STEEL CO., LTD.]]