Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982730 | Switching apparatus using play back information from an optical disk | Makoto Matsuura, Takeshi Nakayama | 1999-11-09 |
| 4362937 | Alpha-ray radiation source photographing device | — | 1982-12-07 |