Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11666055 | Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane | Hiro Yoshikawa, Shintaro Someya, Chiharu Ohmori | 2023-06-06 |
| 11506994 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2022-11-22 |
| 11231663 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2022-01-25 |
| 10816914 | Developer container for image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2020-10-27 |
| 10558145 | Downsized developer container with higher degree of freedom | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2020-02-11 |
| 10420344 | Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane | Hiro Yoshikawa, Shintaro Someya, Chiharu Ohmori | 2019-09-24 |
| 10295933 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2019-05-21 |
| D847254 | Toner container | Shoh Tsuritani, Akinori Harada | 2019-04-30 |
| 10175607 | Developer container including a convex portion, a rotator, and a recess | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2019-01-08 |
| 10036976 | Developing device, and image forming apparatus and process unit incorporating same | Yuji Nagatomo, Tetsumaru Fujita, Yutaro Kaku | 2018-07-31 |
| 9958806 | Developing device and image forming apparatus incorporating same | Tetsumaru Fujita, Yuji Nagatomo, Mitsutoshi Kichise, Yutaro Kaku, Kazuki Matsumoto | 2018-05-01 |
| 9696657 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2017-07-04 |
| 9658574 | Powder container, developing device, process unit, and image forming apparatus | Shoh Tsuritani, Tomohiro Kubota, Yoshiyuki Shimizu, Akinori Harada, Kyoko Abe | 2017-05-23 |
| 9280130 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2016-03-08 |
| 9239565 | Powder container, developing unit, process unit, and image forming apparatus incorporating same | Shoh Tsuritani, Yoshiyuki Shimizu, Tomohiro Kubota, Manabu Hamada | 2016-01-19 |
| 9213270 | Image forming apparatus | Tetsushi Sakuma, Takeshi Sakashita, Masanari Fujita, Mitsutoshi Kichise, Yuuji Meguro | 2015-12-15 |
| 9176419 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2015-11-03 |
| 9069284 | Image forming apparatus and powder transport unit | Yoshiyuki Shimizu, Tomohiro Kubota, Shoh Tsuritani, Manabu Hamada, Masanari Fujita +1 more | 2015-06-30 |
| 8983357 | Powder transport device and image forming apparatus incorporating same | Takeshi Sakashita, Yuuji Meguro, Masanari Fujita, Mitsutoshi Kichise, Tetsushi Sakuma | 2015-03-17 |
| D724655 | Powder container | Tomohiro Kubota, Sho Tsuritani, Yoshiyuki Shimizu, Emi Kita, Manabu Hamada +1 more | 2015-03-17 |
| D723099 | Powder container | Tomohiro Kubota, Sho Tsuritani, Yoshiyuki Shimizu, Emi Kita, Manabu Hamada +1 more | 2015-02-24 |
| 8903283 | Shutter assembly, powder container, cleaning device, and image forming apparatus | Manabu Hamada, Masanari Fujita, Yoshiyuki Shimizu, Tomohiro Kubota, Shoh Tsuritani | 2014-12-02 |
| D712463 | Powder container | Tomohiro Kubota, Sho Tsuritani, Yoshiyuki Shimizu, Emi Kita, Manabu Hamada +1 more | 2014-09-02 |
| 8805214 | Image forming apparatus | Masanari Fujita, Kenji Nakamura, Tomohiro Kubota, Yoshiyuki Shimizu, Shoh Tsuritani | 2014-08-12 |
| 8792808 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Shoh Tsuritani, Manabu Hamada +1 more | 2014-07-29 |