Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8332881 | Optical disc apparatus with support part configured to reduce vibrations | Seiichi Katou, Yoshiaki Yamauchi, Ikuo Nishida | 2012-12-11 |
| 7640558 | Optical disc drive | Nobuyuki Isoshima, Takayuki Fujimoto, Yoshiaki Yamauchi, Seiichi Katou, Ikuo Nishida | 2009-12-29 |
| 5548411 | Facsimile apparatus | Kazutaka Sato, Michihiro Watanabe, Masahisa Aoyagi, Taisaku Seino, Katsuo Ohki +7 more | 1996-08-20 |
| 5452098 | Facsimile apparatus | Kazutaka Sato, Michihiro Watanabe, Masahisa Aoyagi, Taisaku Seino, Katsuo Ohki +7 more | 1995-09-19 |
| 5168287 | Platen locking mechanism for thermal transfer recording apparatus | Seiji Okunomiya, Masami Takada, Naohiro Ozawa | 1992-12-01 |
| 5092698 | Platen roller apparatus | Seiji Okunomiya, Masami Takada | 1992-03-03 |
| 5079565 | Thermal transfer printing apparatus and ink paper cassette | Hiroshi Shimizu, Naohiro Ozawa, Toshihiko Gotoh, Kentaro Hamma, Seiji Okunomiya | 1992-01-07 |