Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703856 | Optical head and optical data recording and reproducing apparatus having the same | Hideki Hayashi, Noboru Ito, Kenichiro Urairi, Yoshiaki Komma | 1997-12-30 |
| 5695390 | Finishing machines for internal spline tooth surfaces | Akinori Hoshino, Tetsuya Morita | 1997-12-09 |
| 5644413 | Optical head for adjusting a positional relation between the information medium and the optical head | Yoshiaki Komma, Makoto Kato, Hidenori Wada, Seiji Nishino | 1997-07-01 |
| 5627816 | Multilayer optical disk and apparatus | Noboru Ito, Shinichi Tanaka, Kenichi Nishiuchi | 1997-05-06 |
| 5591065 | Method of dressing honing wheels | Akinori Hoshino, Akira Muraoka, Hiroyuki Takahashi | 1997-01-07 |