Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7424536 | Computer system and bandwidth control method for the same | Satoshi Oshima, Yutaka Enko | 2008-09-09 |
| 7344615 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro +1 more | 2008-03-18 |
| 7243266 | Computer system and detecting method for detecting a sign of failure of the computer system | Satoshi Oshima, Shinji Kimura, Masayoshi Takasugi | 2007-07-10 |
| 6977022 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro +1 more | 2005-12-20 |
| 6778797 | Charging roller having elastic member | Masumi Sato, Yukiko Iwasaki, Hitoshi Ishibashi, Hiroshi Yoshinaga, Takatsugu Fujishiro | 2004-08-17 |
| 6546219 | Method and apparatus for performing a charging process on an image carrying device | Masumi Sato, Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro +1 more | 2003-04-08 |
| 6470161 | Apparatus for minimizing toner contamination on an image formation member | Takatsugu Fujishiro, Masumi Sato, Hitoshi Ishibashi, Hiroshi Yosinaga, Yukiko Iwasaki | 2002-10-22 |
| 5848329 | Image forming apparatus having a mounting/dismounting mechanism | Yuichi Aoyama, Makoto Obu, Masaki Hiroi, Katsuaki Miyawaki, Nobuhiko Umezawa | 1998-12-08 |
| 5666616 | Wet-type image forming apparatus for forming a condensed toner image | Mie Yoshino, Makoto Obu, Takeo Tsukamoto, Seiichi Miyakawa, Yusuke Takeda | 1997-09-09 |