Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7348058 | Electrically conductive roll | Hiroshige Hiramatsu, Satoshi Suzuki | 2008-03-25 |
| 7288058 | Semi-conductive roll | Akihiko Kaji, Motoharu Ishihara, Yasuki Ohtake | 2007-10-30 |
| 7152446 | Method of forming internal gear, and internal gear | Yukio Wada, Yasufumi Nakamura, Akinao Minegishi | 2006-12-26 |
| 6454688 | Charging roll whose outermost layer contains grafted carbon | Yuichiro Maruyama, Hiroyasu Kato, Hiroki Sugiura | 2002-09-24 |
| 6117038 | Power transmission device | Makoto Nishiji | 2000-09-12 |
| 5669844 | Lubrication system for a parallel-axis differential | Akinori Homan, Kiyonari Ishikawa | 1997-09-23 |
| 5529547 | Differential | Shiro Ichiki, Hideyuki Sato | 1996-06-25 |