Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429811 | Cartridge and image forming apparatus | Naoki Matsumaru, Ryuta Murakami, Tadashi Horikawa, Akihiro Fujiwara, Daisuke Makiguchi +5 more | 2025-09-30 |
| 12169376 | Toner cartridge and image forming apparatus | Toshiki Fujino, Teruhiko Sasaki, Tachio Kawai, Daisuke Abe | 2024-12-17 |
| 12140884 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Tachio Kawai, Toshiki Fujino | 2024-11-12 |
| 12038716 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Teruhiko Sasaki, Tachio Kawai, Daisuke Abe, Masanari Morioka +2 more | 2024-07-16 |
| 12032330 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Teruhiko Sasaki, Tachio Kawai, Daisuke Abe, Masanari Morioka +2 more | 2024-07-09 |
| 11906927 | Cartridge, drum unit and image forming apparatus | Toshiki Fujino, Teruhiko Sasaki, Tachio Kawai, Daisuke Abe, Masanari Morioka +2 more | 2024-02-20 |
| 11822265 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Tachio Kawai, Toshiki Fujino | 2023-11-21 |
| 11809123 | Image forming apparatus and image forming unit | Kazutaka Sueshige, Tatsuro Harada, Takayuki Yada | 2023-11-07 |
| 11662673 | Toner container having nozzle and projection at bottom of container and image forming system using container | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Tachio Kawai, Toshiki Fujino | 2023-05-30 |
| 11619908 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2023-04-04 |
| 11592766 | Toner container and image forming system | Goshi Ozaki, Hiroyuki Munetsugu, Teruhiko Sasaki, Tachio Kawai, Toshiki Fujino | 2023-02-28 |
| 11378909 | Image forming apparatus and image forming unit | Kazutaka Sueshige, Tatsuro Harada, Takayuki Yada | 2022-07-05 |
| 11353821 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2022-06-07 |
| 11204582 | Cartridge and image forming apparatus | Takahito Ueno, Toshiaki Takeuchi | 2021-12-21 |
| 11042117 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-06-22 |
| 11036179 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-06-15 |
| 10983475 | Image forming apparatus and image forming unit | Kazutaka Sueshige, Tatsuro Harada, Takayuki Yada | 2021-04-20 |
| 10969734 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-04-06 |
| 10969733 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-04-06 |
| 10962926 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-03-30 |
| 10955795 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2021-03-23 |
| 10831150 | Cartridge and image forming apparatus | Takahito Ueno, Toshiaki Takeuchi | 2020-11-10 |
| 10761479 | Cartridge | Takahito Ueno, Toshiaki Takeuchi | 2020-09-01 |
| 10739721 | Cartridge and image forming apparatus | Takahito Ueno, Toshiaki Takeuchi | 2020-08-11 |
| 10558165 | Cartridge and image forming apparatus | Takahito Ueno, Toshiaki Takeuchi | 2020-02-11 |