Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871404 | Method for producing an optical information recording disk | Yasushi Murata, Kunizoh Ogoshi | 1989-10-03 |
| 4859481 | Method for producing fruit chips | Yasushi Matsumura, Takeshi Mizuguchi | 1989-08-22 |
| 4859487 | Method for producing fruit chips | Yasushi Matsumura, Takeshi Mizuguchi | 1989-08-22 |
| 4836890 | Method for producing optical information recording disk | Yasushi Murata, Kunizho Ogoshi | 1989-06-06 |