Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336914 | Sealing member for sealing magnetic particles and developing apparatus using the sealing member | Yoshiyuki Batori | 2008-02-26 |
| D555717 | Image forming apparatus | Yoshiyuki Batori, Masanari Morioka, Daisuke Abe, Hiroki Ogino | 2007-11-20 |
| 7194220 | Process cartridge having cartridge electrical contact connected to a cartridge memory element and connectable to a main assembly electrical contact and image forming apparatus to which such cartridge is mountable | Miho Kaiga | 2007-03-20 |
| 7062195 | Toner seal member, and process cartridge | Satoshi Kurihara, Kunimasa Kasai, Naoki Matsumaru | 2006-06-13 |
| 7039338 | Sealing member for sealing magnetic particles and developing apparatus using the sealing member | Yoshiyuki Batori | 2006-05-02 |
| 6901229 | Driving-force transmitting part, electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus | Tsutomu Nishiuwatoko | 2005-05-31 |
| 6714749 | Cartridge detachably mountable on image forming apparatus | Minoru Sato | 2004-03-30 |
| D475082 | Image forming apparatus | Takeshi Kubota | 2003-05-27 |
| D474804 | Image forming apparatus | Takeshi Kubota | 2003-05-20 |
| D462984 | Image forming apparatus | Hideki Hayashi, Satoshi Kurihara, Minoru Sato, Shinya Noda | 2002-09-17 |
| 6385413 | Developing device to which developing voltage is applied from non-driving side | Yoshikazu Sasago, Shinya Noda, Yoshiyuki Batori, Takashi Akutsu, Ichiro Terada | 2002-05-07 |
| 6366746 | Developing device and electric energy supply part for applying developing bias voltage | Yoshikazu Sasago, Shinya Noda, Yoshiyuki Batori, Takashi Akutsu, Ichiro Terada | 2002-04-02 |
| 6336012 | Developing device, process cartridge and electric energy supply part to developing roller | Shinya Noda, Yoshikazu Sasago, Yoshiyuki Batori, Takashi Akutsu, Ichiro Terada | 2002-01-01 |
| 6327448 | Connecting member, process cartridge and electrophotographic image forming apparatus | — | 2001-12-04 |
| 6324364 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Yoshiya Nomura, Satoshi Kurihara | 2001-11-27 |
| 6178302 | Developer container seal, developer container, developing apparatus, process cartridge, and image forming apparatus | Toshiaki Nagashima, Kazuo Chadani, Toru Koizumi | 2001-01-23 |
| 6141508 | Developing apparatus and process cartridge | Satoshi Kurihara, Tsutomu Nishiuwatoko, Toru Koizumi | 2000-10-31 |
| 6137971 | End member and process cartridge | Satoshi Kurihara, Tsutomu Nishiuwatoko | 2000-10-24 |
| 6137973 | Cleaning apparatus and process cartridge having such cleaning apparatus | Tsutomu Nishiuwatoko, Satoshi Kurihara, Toru Koizumi | 2000-10-24 |
| 5920753 | Process cartridge and electrophotographic image forming apparatus | Satoshi Kurihara, Atsushi Numagami, Yoshiyuki Batori | 1999-07-06 |
| 5462650 | Process for producing low viscosity lubricating base oil having high viscosity index | Tetsuo Takito, Kazuki Inaba, Yasuo Kinoshita | 1995-10-31 |
| 4801372 | Optically anisotropic pitch | Kazuhito Tate, Hajime Yoshida | 1989-01-31 |
| 4793912 | Process for producing a pitch having a low softening point | Kazuhito Tate, Hajime Yoshida | 1988-12-27 |