Ooka; Kazuaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ooka; Kazuaki.The latest application filed is for "drum unit".

Company Profile

8.24.29

Ooka; Kazuaki - Nagoya JP
OOKA; Kazuaki - Nagoya-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Developing cartridge including cam movable relative to casing between first position and second position Grant 11,454,923 - Ooka September 27, 2	2022-09-27
Cartridge including holder for holding electrical contact surface and method of recycling cartridge Grant 11,435,690 - Itabashi , et al. September 6, 2	2022-09-06
Developing cartridge including agitator configured to contact peripheral surface of supply roller Grant 11,415,912 - Kakutani , et al. August 16, 2	2022-08-16
Drum Unit App 20220236689 - WANG; Yuwen ; et al.	2022-07-28
Developing cartridge having first inclined surface movable together with first shaft, and second inclined surface movable together with second shaft Grant 11,385,563 - Ooka July 12, 2	2022-07-12
Image Forming Apparatus App 20220206428 - OOKA; Kazuaki ; et al.	2022-06-30
Developer Cartridge App 20220146960 - WANG; Yuwen ; et al.	2022-05-12
Developing Cartridge Including Shaft And Cam Having Cam Surface App 20220137549 - WANG; Yuwen ; et al.	2022-05-05
Drum unit Grant 11,320,779 - Wang , et al. May 3, 2	2022-05-03
Developing cartridge including shaft and cam having cam surface Grant 11,256,208 - Wang , et al. February 22, 2	2022-02-22
Developer cartridge Grant 11,249,418 - Wang , et al. February 15, 2	2022-02-15
Developing Cartridge Including Casing And First And Second Agitators For Agitating Toner Accommodated In Casing App 20220004118 - OOKA; Kazuaki ; et al.	2022-01-06
Drawer including photosensitive drum and frame, and image forming apparatus provided with the same Grant 11,204,579 - Wang , et al. December 21, 2	2021-12-21
Developing Cartridge Including Cam Movable Relative To Casing Between First Position And Second Position App 20210349421 - OOKA; Kazuaki	2021-11-11
Developing Cartridge Having First Inclined Surface Movable Together With First Shaft, And Second Inclined Surface Movable Together With Second Shaft App 20210341855 - OOKA; Kazuaki	2021-11-04
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing Grant 11,143,981 - Ooka , et al. October 12, 2	2021-10-12
Cartridge Including Holder For Holding Electrical Contact Surface And Method Of Recycling Cartridge App 20210311429 - ITABASHI; Nao ; et al.	2021-10-07
Developing Cartridge Including Agitator Configured To Contact Peripheral Surface Of Supply Roller App 20210255567 - KAKUTANI; Hotaka ; et al.	2021-08-19
Image forming apparatus with rotation-controllable photosensitive drum and movable developing roller Grant 11,061,357 - Ooka , et al. July 13, 2	2021-07-13
Developing Cartridge Including Shaft And Cam Having Cam Surface App 20210208532 - WANG; Yuwen ; et al.	2021-07-08
Drum Unit App 20210165361 - WANG; Yuwen ; et al.	2021-06-03
Developer Cartridge App 20210165342 - WANG; Yuwen ; et al.	2021-06-03
Developing Cartridge Including Casing And First And Second Agitators For Agitating Toner Accommodated In Casing App 20210141320 - OOKA; Kazuaki ; et al.	2021-05-13
Developing Cartridge Having Electrode Contactable With Another Electrode By Pivot Motion Of The Cartridge App 20210109456 - WANG; Yuwen ; et al.	2021-04-15
Developing cartridge including shaft and cam having cam surface Grant 10,962,923 - Wang , et al. March 30, 2	2021-03-30
Drum unit Grant 10,942,485 - Wang , et al. March 9, 2	2021-03-09
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing Grant 10,901,340 - Ooka , et al. January 26, 2	2021-01-26
Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge Grant 10,890,857 - Wang , et al. January 12, 2	2021-01-12
Development device Grant 10,890,858 - Yada , et al. January 12, 2	2021-01-12
Developer cartridge Grant 10,859,942 - Wang , et al. December 8, 2	2020-12-08
Drawer Including Photosensitive Drum And Frame, And Image Forming Apparatus Provided With The Same App 20200379401 - WANG; Yuwen ; et al.	2020-12-03
Developing Cartridge Including Casing And First And Second Agitators For Agitating Toner Accommodated In Casing App 20200363752 - OOKA; Kazuaki ; et al.	2020-11-19
Drum Unit App 20200341426 - WANG; Yuwen ; et al.	2020-10-29
Image Forming Apparatus App 20200301351 - OOKA; Kazuaki ; et al.	2020-09-24
Development Device App 20200285170 - YADA; Kengo ; et al.	2020-09-10
Drawer including photosensitive drum and frame, and image forming apparatus provided with the same Grant 10,754,289 - Wang , et al. A	2020-08-25
Developing Cartridge Including Shaft And Cam Having Cam Surface App 20200257241 - A1	2020-08-13
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing Grant 10,739,698 - Ooka , et al. A	2020-08-11
Drum unit Grant 10,725,427 - Wang , et al.	2020-07-28
Development device Grant 10,684,584 - Iriyama , et al.	2020-06-16
Developing cartridge including shaft and cam having cam surface Grant 10,649,397 - Wang , et al.	2020-05-12
Developing Cartridge Including Casing And First And Second Agitators For Agitating Toner Accommodated In Casing App 20200103786 - OOKA; Kazuaki ; et al.	2020-04-02
Developer Cartridge App 20200081371 - WANG; Yuwen ; et al.	2020-03-12
Drum Unit App 20200050142 - WANG; Yuwen ; et al.	2020-02-13
Developing Cartridge Including Shaft And Cam Having Cam Surface App 20200033789 - WANG; Yuwen ; et al.	2020-01-30
Developer cartridge Grant 10,520,853 - Wang , et al. Dec	2019-12-31
Drum unit Grant 10,488,813 - Wang , et al. Nov	2019-11-26
Developing cartridge including shaft and cam having cam surface Grant 10,459,399 - Wang , et al. Oc	2019-10-29
Developing Cartridge Including Shaft And Cam Having Cam Surface App 20190302682 - WANG; Yuwen ; et al.	2019-10-03
Drawer Including Photosensitive Drum And Frame, And Image Forming Apparatus Provided With The Same App 20190302674 - WANG; Yuwen ; et al.	2019-10-03
Drum Unit App 20190302681 - WANG; Yuwen ; et al.	2019-10-03
Developer Cartridge App 20190302645 - WANG; Yuwen ; et al.	2019-10-03
Developing Cartridge Having Electrode Contactable With Another Electrode By Pivot Motion Of The Cartridge App 20190302641 - WANG; Yuwen ; et al.	2019-10-03

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