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Junichi Ushikubo — 21 Patents

ODOki Data: 19 patents #17 of 635Top 3%
OCOki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Tokyo, JP: #7,076 of 90,295 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Junichi Ushikubo has been granted 21 US patents while listed as an inventor at Oki Data. The first was granted in 2010 and the most recent in December 2023. Junichi Ushikubo ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Junichi Ushikubo in Tokyo, JP.

Patents per Year

Patents granted per year, 2010 to 2023Bar chart with a peak of 4 patents in 2020.peak 42010: 1 patents20102011: 1 patents2012: 1 patents20122013: 3 patents2014: 1 patents20142015: 2 patents2018: 1 patents20182019: 2 patents2020: 4 patents20202021: 4 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11853001 Development device and image formation apparatus Yuuki Kobayashi 2023-12-26
11112746 Image forming apparatus and detachable part — 2021-09-07
D916958 Image drum cartridge Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka 2021-04-20
D910742 Image drum cartridge Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka 2021-02-16
D910743 Image drum cartridge Masashi Fujii, Tatsuhiko Shimomura, Shun Hatanaka 2021-02-16
D898820 Toner cartridge Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka 2020-10-13
D898114 Toner cartridge Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka 2020-10-06
D892921 Toner cartridge Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka 2020-08-11
10670988 Developer container, image forming unit, and image forming apparatus Masashi Fujii 2020-06-02
10386750 Image forming unit and developer container — 2019-08-20
10168638 Developer container holder, developer container, and image forming apparatus — 2019-01-01
10061262 Developer container attached detachably to attachment unit of image forming unit, image forming unit, and image forming apparatus — 2018-08-28
9188938 Developer collection container and image formation apparatus — 2015-11-17
9069320 Cleaning device, image forming unit and image forming apparatus — 2015-06-30
8655236 Developer storage body, image forming unit and image forming apparatus — 2014-02-18
D674005 Toner cartridge Osamu Teramura, Tatsuhiko Shimomura 2013-01-08
D674007 Image drum cartridge Tatsuhiko Shimomura, Osamu Teramura 2013-01-08
D674004 Toner cartridge Tatsuhiko Shimomura, Osamu Teramura 2013-01-08
8131200 Cleaning device and image forming device — 2012-03-06
8032038 Developing device and image forming apparatus — 2011-10-04
7668482 Sticking substance removing apparatus and image forming apparatus — 2010-02-23

Frequent Collaborators

Tatsuhiko Shimomura9 shared
Masashi Fujii7 shared
Shun Hatanaka6 shared
Osamu Teramura3 shared
Yuuki Kobayashi1 shared

Nearby-Ranked Inventors

Subhash Sankuratripati21
Brian Riordan21
Woongki Min21
Jeremy Cailleteau21
Shigeru Chiba21
Cecilia Carbonelli21
Pin-Wen Chen21
Michael Danz21
Paul Kolen21