Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029976 | Optical recording medium and optical recording-reproducing method using thereof | Yutaka Wada, Masatsugu Suwabe, Junko Shimada, Toru Yano, Koichi Shigeno | 2011-10-04 |
| 7316836 | Optical recording medium | Yutaka Wada, Masatsugu Suwabe, Toshihiro Akimori, Junko Shimada, Koichi Shigeno +1 more | 2008-01-08 |
| 5728646 | Heat-sensitive recording material | Nobuhide Tominaga | 1998-03-17 |
| 5607894 | Heat-sensitive recording material | Mitsuo Akutsu, Nobuhide Tominaga, Athuo Tomita, Kouichi Shigeno | 1997-03-04 |
| 5081099 | Heat-sensitive recording material | Mitsuo Akutsu, Syuji Iwakura | 1992-01-14 |
| 4980336 | Heat-sensitive recording material | Mitsuo Akutsu, Syuji Iwakura, Keiji Tabata | 1990-12-25 |
| 4944980 | Optical recording material | Mitsuo Akutsu, Syuji Iwakura | 1990-07-31 |
| 4918046 | Heat-sensitive recording material | Mitsuo Akutsu, Syuji Iwakura, Keiji Tabata | 1990-04-17 |