Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11493860 | Toner cartridge, developing unit, process cartridge, and image forming apparatus | Shunsuke Mizukoshi, Masanori Tanaka | 2022-11-08 |
| 10642206 | Image forming apparatus | Kazuhisa Shida | 2020-05-05 |
| 10635018 | Image forming apparatus having a plurality of modes different in background potential difference | Ryosuke Kanai, Kuniaki Tamagaki | 2020-04-28 |
| 10185251 | Reproduction method for developing device | Fumito Nonaka, Hiroomi Matsuzaki | 2019-01-22 |
| 9366994 | Developer container, cartridge, and image forming apparatus | Hiroki Ogino, Kojiro Yasui | 2016-06-14 |
| 9354553 | Developer accommodating container, process cartridge and electrophotographic image forming apparatus | Masatomi Yoshida, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi | 2016-05-31 |
| 9098062 | Process cartridge and image forming apparatus | — | 2015-08-04 |
| D587003 | Bottom rubber socket for a walking stick | — | 2009-02-24 |
| 7426482 | Image processing apparatus, method of placing order for expendables of image processing apparatus, storage medium, and program | Satoru Inami, Masanobu Saito, Takayuki Namiki | 2008-09-16 |
| 7158740 | Image forming apparatus | Hiroshi Sato, Syuhei Kawasaki | 2007-01-02 |
| 7155137 | Process cartridge, developing cartridge and developing roller | Kojiro Yasui, Hironobu Isobe, Hiroshi Sato, Yasufumi Yoshino, Syuhei Kawasaki | 2006-12-26 |
| 7068966 | Image forming apparatus operable in two image formation modes using either one developing device or a plurality of developing devices | Hiroshi Sato, Syuhei Kawasaki | 2006-06-27 |
| 7020419 | Image formation apparatus, and control method for image formation apparatus | Satoshi Tsuruya, Shinichi Tsukida, Katsuhiro Sakaizawa, Takehiko Suzuki, Masahiro Shibata | 2006-03-28 |
| 6978100 | Process cartridge, developing cartridge and developing roller | Kojiro Yasui, Hironobu Isobe, Hiroshi Sato, Yasufumi Yoshino, Syuhei Kawasaki | 2005-12-20 |
| 6915094 | Composition for accessing a memory in image formation apparatus and method for accessing a memory in image formation apparatus | Satoshi Tsuruya, Shinichi Tsukida, Katsuhiro Sakaizawa, Takehiko Suzuki, Masahiro Shibata | 2005-07-05 |
| 6873350 | Image forming apparatus and image forming method | Masanobu Saito, Satoru Inami, Takayuki Namiki | 2005-03-29 |
| 6751423 | Developing apparatus and image forming apparatus | Katsuhiro Sakaizawa, Satoshi Tsuruya, Masahiro Shibata | 2004-06-15 |
| 6636251 | Image forming apparatus and method | Masanobu Saitou, Satoru Inami, Takayuki Namiki | 2003-10-21 |
| 6337964 | Agitating member, developing apparatus and process cartridge | Satoru Inami, Junichi Kato, Masahiro Yoshida, Yusuke Nakazono | 2002-01-08 |
| 6317574 | Charging member, process cartridge, and image forming apparatus | Junichi Kato, Satoru Inami, Atsutoshi Ando, Yusuke Nakazono | 2001-11-13 |
| 6175703 | Image forming apparatus and process cartridge | Yusuke Nakazono, Junichi Kato, Koichi Suwa, Satoru Inami, Masahiro Yoshida +2 more | 2001-01-16 |
| 6173144 | Image forming apparatus which supplies image bearing member with electrically conductive particles during development | Jun Hirabayashi, Harumi Ishiyama, Yasunori Chigono | 2001-01-09 |
| 6169869 | Image forming apparatus and process cartridge | Satoru Inami, Junichi Kato, Masahiro Yoshida, Yusuke Nakazono | 2001-01-02 |
| 6163663 | Image forming apparatus using a developer of a given polarity and an externally added additive of an opposite polarity | Junichi Kato, Satoru Inami, Masahiro Yoshida, Yusuke Nakazono | 2000-12-19 |
| 6128462 | Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus | Junichi Kato, Satoru Inami, Masahiro Yoshida, Yusuke Nakazono, Satoshi Sunahara | 2000-10-03 |