Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673602 | Composite substrate plate for magnetic or optical disk and process for production thereof | Keita Inui, Setsuo Suzuki | 1987-06-16 |
| 4576896 | Optical recording medium | Setsuo Suzuki, Morio Tsuge | 1986-03-18 |