Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364118 | Optical disk and optical information processor | Takeshi Maeda, Kazuo Shigematsu | 1982-12-14 |
| 4357616 | Recording medium | Motoyasu Terao, Yoshio Taniguchi, Shinkichi Horigome, Kazuo Shigematsu, Masahiro Ojima +1 more | 1982-11-02 |
| 4348461 | Recording member | Motoyasu Terao, Yoshio Taniguchi, Shinkichi Horigome, Masahiro Ojima, Kazuo Shigematsu +2 more | 1982-09-07 |
| 4333173 | Optical information processor with prismatic correction of laser beam shape | Toshio Sugiyama, Masahiro Ojima | 1982-06-01 |