Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9297979 | Lens driving device and optical disc apparatus | Tetsuo Nishidate, Toyoshi Nogami, Hiromasa Sasaoka | 2016-03-29 |
| 9153273 | Lens driving device and optical pickup | Taishi Morita, Yuji Ishihara | 2015-10-06 |
| 5702190 | Dot-matrix line printer | Osamu Shimizu, Shinichi Wada, Tetsuya Fujimoto, Takanari Inui | 1997-12-30 |
| 4891440 | Process for producing unsaturated quaternary ammonium slats | Yoshirou Nagatsu, Akiyoshi Nagamoto, Hideaki Mukouyama | 1990-01-02 |