JU

Junichi Ushikubo

OD Oki Data: 19 patents #17 of 635Top 3%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Overall (All Time): #206,206 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

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