Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491613 | Roller for office automation equipment | Kazuhiro Takeda, Naoki Yamaguchi, Hiroshige Hiramatsu, Hitoshi Yoshikawa | 2002-12-10 |
| 6146320 | Conductive roll | Hitoshi Yoshikawa, Shoji Arimura, Kunio Ito, Akihiko Kaji, Kenichi Ohkuwa +2 more | 2000-11-14 |
| 6096395 | Roll including foam body and method of producing the roll | Saburo Hayashi, Takafumi Yamamoto, Kazutoshi Soumiya, Hiroyasu Kato | 2000-08-01 |
| 5604031 | Electrically conductive roll whose base layer is formed of ion-conductive elastic material | Takafumi Yamamoto, Kazutoshi Soumiya, Saburou Hayashi, Hiroyasu Kato | 1997-02-18 |
| 5455077 | Method of producing a crowned resilient roll with coating layer | Takafumi Yamamoto, Masaaki Inubushi, Saburou Hayashi, Shigeru Nishijima, Masaharu Ishikawa | 1995-10-03 |
| 5378525 | Crowned resilient roll with coating layer and method of producing the same | Takafumi Yamamoto, Masaaki Inubushi, Saburou Hayashi, Shigeru Nishijima, Masaharu Ishikawa | 1995-01-03 |