Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330594 | Item fixture, handle, method of attaching measuring apparatus to vehicle, and mobile measuring apparatus | — | 2025-06-17 |
| 12228845 | Article attaching device and measuring system | — | 2025-02-18 |
| 11856304 | Measurement apparatus, movable apparatus, and vehicle | — | 2023-12-26 |
| 11506994 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2022-11-22 |
| 11265485 | Measurement apparatus, movable apparatus, and vehicle | — | 2022-03-01 |
| 11231663 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2022-01-25 |
| 10816914 | Developer container for image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2020-10-27 |
| 10558145 | Downsized developer container with higher degree of freedom | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2020-02-11 |
| 10295933 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2019-05-21 |
| D847254 | Toner container | Masato Tsuji, Akinori Harada | 2019-04-30 |
| 10175607 | Developer container including a convex portion, a rotator, and a recess | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2019-01-08 |
| 9696657 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2017-07-04 |
| 9658574 | Powder container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Yoshiyuki Shimizu, Masato Tsuji, Akinori Harada, Kyoko Abe | 2017-05-23 |
| 9658565 | Developing device, image forming apparatus, method of detecting developer amount, and non-transitory recording medium storing program | Takashi Oida, Tomohiro Ohshima, Akinori Yamaguchi, Mizuho Ohmura | 2017-05-23 |
| 9280130 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2016-03-08 |
| 9239565 | Powder container, developing unit, process unit, and image forming apparatus incorporating same | Yoshiyuki Shimizu, Tomohiro Kubota, Manabu Hamada, Masato Tsuji | 2016-01-19 |
| 9201341 | Developer container, developing device, processing unit, image forming device, and method of manufacturing developer container | Naoki Nakatake, Manabu Hamada, Tomohiro Kubota | 2015-12-01 |
| 9176419 | Developer container, developing device, process unit, and image forming apparatus | Tomohiro Kubota, Naoki Nakatake, Yoshiyuki Shimizu, Manabu Hamada, Masato Tsuji +1 more | 2015-11-03 |
| 9141028 | Image forming apparatus and developer container, developing device, process unit, and replaceable unit therefor | Manabu Hamada, Tomohiro Kubota, Yoshiyuki Shimizu | 2015-09-22 |
| 9069284 | Image forming apparatus and powder transport unit | Yoshiyuki Shimizu, Tomohiro Kubota, Manabu Hamada, Masato Tsuji, Masanari Fujita +1 more | 2015-06-30 |
| 8903283 | Shutter assembly, powder container, cleaning device, and image forming apparatus | Manabu Hamada, Masanari Fujita, Masato Tsuji, Yoshiyuki Shimizu, Tomohiro Kubota | 2014-12-02 |
| 8861991 | Developer amount detector, and developer container, development device, and image forming apparatus incorporating same | Tomohiro Kubota, Naoki Nakatake, Hirobumi Ooyoshi, Tomofumi Yoshida, Yoshiyuki Shimizu +1 more | 2014-10-14 |
| 8811859 | Developer container, development device, process unit, and image forming apparatus | Masanari Fujita, Yoshiyuki Shimizu, Tomohiro Kubota, Naoki Nakatake | 2014-08-19 |
| 8805214 | Image forming apparatus | Masanari Fujita, Kenji Nakamura, Tomohiro Kubota, Yoshiyuki Shimizu, Masato Tsuji | 2014-08-12 |
| 8805222 | Image developing device, process cartridge including image developing device, and image forming device including image developing device | Naoki Nakatake, Tomohiro Kubota, Yuji Nagatomo, Yasuhide Matsuno, Hiroaki Katoh +7 more | 2014-08-12 |