View source for Category:Junming ZHANG

== Junming ZHANG ==

=== Executive Summary ===
Junming ZHANG is an inventor who has filed 4 patents. Their primary areas of innovation include APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers (2 patents), APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers (2 patents), Means for protecting converters other than automatic disconnection (1 patents), and they have worked with companies such as Joulwatt Technology Co., Ltd. (4 patents). Their most frequent collaborators include [[Category:Xianghua JIANG|Xianghua JIANG]] (4 collaborations), [[Category:PITLEONG WONG|PITLEONG WONG]] (2 collaborations), [[Category:XIANGYONG XU|XIANGYONG XU]] (2 collaborations).

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

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

==== List of Technology Areas ====
* [[:Category:CPC_H02M3/33592|H02M3/33592]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers): 2 patents
* [[:Category:CPC_H02M3/33571|H02M3/33571]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers): 2 patents
* [[:Category:CPC_H02M1/322|H02M1/322]] (Means for protecting converters other than automatic disconnection): 1 patents
* [[:Category:CPC_H02M3/33507|H02M3/33507]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers): 1 patents
* [[:Category:CPC_H02M3/3353|H02M3/3353]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers): 1 patents
* [[:Category:CPC_H02M1/32|H02M1/32]] (Means for protecting converters other than automatic disconnection): 1 patents
* [[:Category:CPC_H02M1/0058|H02M1/0058]] (Details of apparatus for conversion): 1 patents
* [[:Category:CPC_H02M3/01|H02M3/01]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers): 1 patents

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

==== List of Companies ====
* Joulwatt Technology Co., Ltd.: 4 patents

=== Collaborators ===
* [[:Category:Xianghua JIANG|Xianghua JIANG]][[Category:Xianghua JIANG]] (4 collaborations)
* [[:Category:PITLEONG WONG|PITLEONG WONG]][[Category:PITLEONG WONG]] (2 collaborations)
* [[:Category:XIANGYONG XU|XIANGYONG XU]][[Category:XIANGYONG XU]] (2 collaborations)
* [[:Category:Xiangyong XU|Xiangyong XU]][[Category:Xiangyong XU]] (2 collaborations)
* [[:Category:Pitleong WONG|Pitleong WONG]][[Category:Pitleong WONG]] (2 collaborations)

[[Category:Junming ZHANG]]
[[Category:Inventors]]
[[Category:Inventors filing patents with Joulwatt Technology Co., Ltd.]]