Issued Patents All Time
Showing 1–25 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271146 | Process cartridge | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada | 2025-04-08 |
| 12197692 | Operation monitoring device, operation monitoring method, and operation monitoring program | Taisuke WAKASUGI, Masashi Tadokoro, Akira Kataoka, Haruo OISHI | 2025-01-14 |
| 12158722 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda, Tetsuya Numata +1 more | 2024-12-03 |
| 12124205 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani, Yuuki Nakamura +1 more | 2024-10-22 |
| 12112021 | Display control device, display control method, and display control program | Taisuke WAKASUGI, Masashi Tadokoro, Akira Kataoka, Haruo OISHI | 2024-10-08 |
| 12099325 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda | 2024-09-24 |
| 12007437 | Test method | Kenichi Ishii, Atsushi Yoshida, Takashi Shiigi | 2024-06-11 |
| 11940756 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2024-03-26 |
| 11927913 | Cartridge unit | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida | 2024-03-12 |
| 11874881 | Business documents presentation device, business documents presentation method and business documents presentation program | Yuki Urabe, Shiro Ogasawara | 2024-01-16 |
| 11846910 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda | 2023-12-19 |
| 11841668 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani, Yuuki Nakamura +1 more | 2023-12-12 |
| 11740585 | Process cartridge | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada | 2023-08-29 |
| 11733644 | Cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda, Tetsuya Numata +1 more | 2023-08-22 |
| 11733636 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi | 2023-08-22 |
| 11567447 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda | 2023-01-31 |
| 11543769 | Process cartridge and image forming apparatus | Kazuo Chadani, Koji Hashimoto | 2023-01-03 |
| 11500305 | Process cartridge having toner receiving portion | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi | 2022-11-15 |
| 11454924 | Process cartridge | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada | 2022-09-27 |
| 11409227 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Tetsuo Uesugi, Masato Tanabe, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi | 2022-08-09 |
| 11378914 | Process cartridge and image forming apparatus | Tsuyoshi Ogawa, Daisuke Abe, Noriyuki Komatsu, Hideshi Kawaguchi, Tadayuki Tsuda | 2022-07-05 |
| 11327432 | Process cartridge and image forming apparatus | Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tadayuki Tsuda | 2022-05-10 |
| 11314193 | Foreign substance collection apparatus, process cartridge, and image forming apparatus | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani, Yuuki Nakamura +1 more | 2022-04-26 |
| 11237519 | Cartridge unit | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida | 2022-02-01 |
| 11209749 | Process cartridge having toner receiving portion | Noriyuki Komatsu, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi | 2021-12-28 |