Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285714 | Developing device and image forming apparatus and process cartridge incorporating same | Keinosuke Kondoh, Kiyonori Tsuda, Yutaka Takahashi, Kentaro Mikuniya, Toshio Koike | 2016-03-15 |
| 9280125 | Image forming apparatus | Wakana Itoh, Tadashi Kasai, Takamasa Ozeki, Jun Hitosugi, Makoto Yasuda +4 more | 2016-03-08 |
| 9239542 | Image forming apparatus | Tadashi Kasai, Makoto Yasuda, Mutsuki Morinaga, Hitoshi Yamamoto, Yuichi Aizawa | 2016-01-19 |
| 8837969 | Image forming apparatus, image forming method, and computer program product for causing a computer to execute the method | Yasuhiko Ogino, Reki Nakamura, Keigo Nakamura, Takahiro Seki | 2014-09-16 |
| 8600247 | Image forming apparatus, image forming method, and computer program product for causing a computer to execute the method | Yasuhiko Ogino, Reki Nakamura, Keigo Nakamura, Takahiro Seki | 2013-12-03 |
| 8265527 | Developing unit, image forming apparatus incorporating same, and method of controlling amounts of toner | Kentaroh Tomita, Takehide Mizutani, Takayuki Tamaki, Masumi Sato | 2012-09-11 |
| 7941075 | Image forming apparatus including a cleaner-less image carrier cleaning system | Shigekazu Enoki, Jun Yura, Hirokatsu Suzuki | 2011-05-10 |
| 7796920 | Developing unit and image forming apparatus including the same | Kenichi Taguma, Chiemi Kaneko, Hirokatsu Suzuki | 2010-09-14 |
| 7627260 | Development apparatus, process cartridge, and image forming apparatus | Hirokatsu Suzuki | 2009-12-01 |
| 7234872 | Rolling Bearing | Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more | 2007-06-26 |
| 6880978 | Rolling bearing for hard disk drive | Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more | 2005-04-19 |
| 6340244 | Rolling bearing for hard disk drive | Yasunobu Fujita, Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe +1 more | 2002-01-22 |
| 5656582 | Rust preventive lubricating oil | Hiroyuki Ito, Masao Yamamoto, Michiharu Naka, Akira Suzuki, Shigeki Maehara | 1997-08-12 |
| 5640769 | Method for producing a cage of the ball bearing | Akira Suzuki, Jiami Pu, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka +4 more | 1997-06-24 |
| 5575570 | Cage for rolling bearing | Takahiko Uchiyama, Youichiro Sugimori, Toshimi Takajo, Michiharu Naka, Masao Yamamoto +1 more | 1996-11-19 |
| 5401105 | Ball bearing and method for producing a cage of the ball bearing | Akira Suzuki, Jiami Pu, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka +4 more | 1995-03-28 |