Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837127 | Recording medium | Kyoichi Naruo | 1989-06-06 |
| 4788097 | Information recording medium | Masao Yabe, Younosuke Takahashi | 1988-11-29 |
| 4663276 | Glass based laser recording material with intermediate layer | Takeji Ochiai, Masao Yabe | 1987-05-05 |
| 4656118 | Information recording medium using laser beam | Yohnosuke Takahashi, Kyoichi Naruo, Fumiaki Shinozaki | 1987-04-07 |