Issued Patents All Time
Showing 25 most recent of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360490 | Developer supply container and developer supplying system | Hiromasa Katayama, Akihito Kamura, Katsuya Murakami | 2025-07-15 |
| 12306566 | Information processing apparatus for determining causal part of cause of error which has occurred in image forming apparatus, and notification method of giving notification of causal part of cause of error which has occurred in image forming apparatus | Shinya Suzuki, Takahiro Oonuma | 2025-05-20 |
| 12282287 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2025-04-22 |
| 12015742 | Image forming apparatus, information processing apparatus, and method of giving notification of causal part | Katsuhide Koga, Shinya Suzuki | 2024-06-18 |
| 11940753 | Developer supply container and developer supplying system | Hiromasa Katayama, Akihito Kamura, Katsuya Murakami | 2024-03-26 |
| 11906926 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2024-02-20 |
| 11860569 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2024-01-02 |
| 11852991 | Developer supply container and developer supplying system | Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka +4 more | 2023-12-26 |
| 11841641 | Developer replenishing container and image forming apparatus | Nobuyuki Yomoda, Yusuke Yamada, Ayatomo Okino, Akihito Kamura | 2023-12-12 |
| 11841642 | Developer supply container | Nobuyuki Yomoda, Ayatomo Okino, Akihito Kamura, Takashi Enokuchi | 2023-12-12 |
| 11687027 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2023-06-27 |
| 11650537 | Developer supply container and developer supplying system | Hiromasa Katayama, Akihito Kamura, Katsuya Murakami | 2023-05-16 |
| 11599042 | Developer supply container and developer supplying system | Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka +4 more | 2023-03-07 |
| 11237499 | Developer replenishing container and image forming apparatus | Nobuyuki Yomoda, Yusuke Yamada, Ayatomo Okino, Akihito Kamura | 2022-02-01 |
| 11150598 | Developer supply container and developer supplying system | Hiromasa Katayama, Akihito Kamura, Katsuya Murakami | 2021-10-19 |
| 11137714 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2021-10-05 |
| 11067918 | Developer supply container and developer supplying apparatus | Ayatomo Okino, Takao Nakajima | 2021-07-20 |
| 10747167 | Developer supply container | Takashi Enokuchi, Ayatomo Okino | 2020-08-18 |
| 10725400 | Developer supply container and developer supplying system | Yohei Gamo, Tsukasa Mine, Akihito Kamura, Koji Katayama, Masato Yamaoka +4 more | 2020-07-28 |
| 10627742 | Developer replenishing container and image forming apparatus | Nobuyuki Yomoda, Yusuke Yamada, Ayatomo Okino, Akihito Kamura | 2020-04-21 |
| 10620566 | Developer supply container | Nobuyuki Yomoda, Ayatomo Okino, Akihito Kamura, Takashi Enokuchi | 2020-04-14 |
| 10620569 | Developer supply container | Yusuke Oizumi, Kuniyoshi Sugawara | 2020-04-14 |
| 10558161 | Developer supply container and developer supplying system | Hiromasa Katayama, Akihito Kamura, Katsuya Murakami | 2020-02-11 |
| 10520881 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2019-12-31 |
| 10520882 | Developer supply container and developer supplying system | Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa | 2019-12-31 |