Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304019 | Fastening apparatus and fastening method | Yasutaka Ishizuka | 2025-05-20 |
| 12130579 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2024-10-29 |
| 12066786 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2024-08-20 |
| 11826902 | Robot system and method for controlling robot | Yasutaka Ishizuka, Kasane Goda, Yutaka Yoshida, Kotaro Muraoka | 2023-11-28 |
| 11579561 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2023-02-14 |
| 11383334 | Tightening device | Tomohisa Katayama, Hironari Watanabe | 2022-07-12 |
| 11199807 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2021-12-14 |
| 10671015 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2020-06-02 |
| 10203652 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2019-02-12 |
| D823938 | Cartridge | Shunsuke Uratani, Ryoji Kusudo, Isao Koishi, Yu Fukasawa, Shigemi Kamoshida +3 more | 2018-07-24 |
| D823380 | Cartridge | Shunsuke Uratani, Ryoji Kusudo, Isao Koishi, Yu Fukasawa, Shigemi Kamoshida +3 more | 2018-07-17 |
| 9791825 | Cartridge and drum unit for electrophotographic image forming apparatus | Shigemi Kamoshida, Isao Koishi, Yusuke Niikawa | 2017-10-17 |
| D786968 | Process cartridge for printer | Shunsuke Uratani, Ryoji Kusudo, Isao Koishi, Yu Fukasawa, Shigemi Kamoshida +3 more | 2017-05-16 |
| 9342040 | Image forming apparatus and cartridge | Yusuke Niikawa, Daisuke Yamamoto, Isao Koishi | 2016-05-17 |
| 8687984 | Image forming apparatus | Shigemi Kamoshida, Atsushi Takasaka, Yuuki Nakamura | 2014-04-01 |
| D598950 | Toner cartridge | Kyoji Kusudo, Noriyuki Komatsu | 2009-08-25 |
| D598491 | Toner cartridge | Ryoji Kusudo, Noriyuki Komatsu | 2009-08-18 |
| D591338 | Toner cartridge | Ryoji Kusudo, Noriyuki Komatsu | 2009-04-28 |
| 7283766 | Process cartridge and image forming apparatus | Minoru Sato | 2007-10-16 |
| 7200349 | Parts, and part supplying methods | Minoru Sato, Yoshiyuki Batori, Masanari Morioka | 2007-04-03 |
| 7194228 | Charging apparatus, process cartridge, and image forming apparatus | Masanari Morita | 2007-03-20 |
| 7155140 | Process cartridge and image forming apparatus | Minoru Sato | 2006-12-26 |
| 7079787 | Parts, and part supplying methods | Hiroki Ogino, Yoshiyuki Batori, Masanari Morioka, Ken Kikuchi | 2006-07-18 |
| 7046942 | Process cartridge and image forming apparatus | Tachio Kawai, Hideki Maeshima | 2006-05-16 |
| 7039339 | Process cartridge and electrophotographic image forming apparatus | Kanji Yokomori | 2006-05-02 |