Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284325 | Hoist with load shifted gear, detector, and motor speed changer | Masatoshi Sasaki | 1994-02-08 |
| 4517668 | Optical disk with narrow guide tracks | Takashi Takaoka, Mitsuo Yamashita, Tadao Miura | 1985-05-14 |
| 4417331 | Method for manufacturing an optical disc | Takashi Takaoka, Mitsuo Yamashita, Tadao Miura | 1983-11-22 |
| 4385376 | Method of making an optical memory disk and a product thereby | Takashi Takaoka, Tadao Miura, Mitsuo Yamashita | 1983-05-24 |
| 4357366 | Method of making an optical memory disk and a product thereby | Takashi Takaoka, Tadao Miura, Mitsuo Yamashita | 1982-11-02 |