Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813669 | Image forming apparatus | Kazuyoshi Matsumoto, Junichi Murano, Hirofumi Sugane, Yuki Satoh | 2010-10-12 |
| 7590379 | Image formation device | Masaaki Yoshikawa | 2009-09-15 |
| 6608981 | Image forming apparatus having common guide members for detachably attaching a developing unit and a carrier unit | — | 2003-08-19 |
| 6464610 | Hydraulic pressure control apparatus for automatic transmission | Takayuki Hisano, Kazumasa Tsukamoto, Akitomo Suzuki | 2002-10-15 |
| 5865702 | Oil temperature responsive hydraulic control system for an automatic transmission | Fumitomo Yokoyama, Kazuhisa Ozaki, Masahiko Ando, Akira Fukatsu, Makoto Hijikata +5 more | 1999-02-02 |
| 5674154 | Hydraulic control system for automatic transmission | Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Motoyuki Sakai, Tetsuo Hamajima +6 more | 1997-10-07 |
| 5616094 | Hydraulic control system for automatic transmission | Kazumasa Tsukamoto, Masahiko Ando, Akira Fukatsu, Motoyuki Sakai, Tetsuo Hamajima +6 more | 1997-04-01 |
| 5588927 | Control system for automatic transmission | Kazumasa Tsukamoto, Masahiko Ando, Masahiro Hayabuchi, Akira Fukatsu, Masato Kaigawa +7 more | 1996-12-31 |