Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523140 | Optical recording method and medium | Tokuhiko Handa, Susumu Haratani, Ryo Inaba | 1996-06-04 |
| 5498507 | Optical recording media | Tokuhiko Handa, Ryo Inaba, Susumu Haratani | 1996-03-12 |
| 5470628 | Optical recording medium | Susumu Haratani, Tokuhiko Handa, Ryo Inaba | 1995-11-28 |
| 5418030 | Optical recording medium and method for making | Susumu Haratani, Tokuhiko Handa | 1995-05-23 |
| 5401609 | Optical recording medium and its production | Susumu Haratani | 1995-03-28 |
| 5391462 | Otical record disk | Hiroyuki Arioka, Koji Yasukawa, Atsuko Motai | 1995-02-21 |
| 5389417 | Optical recording medium | Susumu Haratani, Tokuhiko Handa, Hiroyuki Arioka | 1995-02-14 |
| 5364708 | Optical recording medium | — | 1994-11-15 |
| 5334433 | Optical recording medium | — | 1994-08-02 |
| 5252370 | Optical recording medium and method for making | Hideki Dohi | 1993-10-12 |
| 5208088 | Optical recording medium | Hiroyuki Arioka, Akio Ogawa | 1993-05-04 |