Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845000 | Radiation sensitive carrier body utilized as stamper structure | Nobuaki Yasuda, Akio Hori, Norio Ozawa | 1989-07-04 |
| 4756811 | Method for manufacturing bubble-mode optical recording media | Nobuaki Yasuda, Norio Ozawa | 1988-07-12 |
| 4735888 | Information recording medium and manufacturing method thereof | Norio Ozawa, Nobuaki Yasuda | 1988-04-05 |
| 4702991 | Optical type information recording medium and manufacturing method thereof | Norio Ozawa, Nobuaki Yasuda | 1987-10-27 |
| 4663008 | Method of producing an optical information recording medium | Norio Ozawa, Nobuaki Yasuda | 1987-05-05 |
| 4647947 | Optical protuberant bubble recording medium | Nobuaki Yasuda | 1987-03-03 |
| 4565772 | Process of using radiation-sensitive carrier body to form stamper structure and subsequent use as a stamper to make optical disks | Nobuaki Yasuda, Akio Hori, Norio Ozawa | 1986-01-21 |
| 4478768 | Method for manufacturing optical type recording medium | Nobuaki Yasuda | 1984-10-23 |