Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855979 | Optical recording medium | Hideki Umehara, Jun TOKUHIRO, Yuji Inatomi, Tsutami Misawa, Kenichi Sugimoto +2 more | 1999-01-05 |
| 5486396 | Optical recording medium and production thereof | Tadahiko Mizukuki, Kouichi Yabuuchi, Shinichi Murakami, Kouhei Shizuka, Nobuhisa Kitagawa +1 more | 1996-01-23 |
| 5424102 | Optical recording medium and production thereof | Tadahiko Mizukuki, Kouichi Yabuuchi, Shinichi Murakami, Kouhei Shizuka, Nobuhisa Kitagawa +1 more | 1995-06-13 |
| 5369321 | Optical recording medium | Tadashi Koike, Tadahiko Mizukuki, Yuko Suzuki, Kouichi Shiina | 1994-11-29 |
| 5283094 | Optical recording medium | Nobuhisa Kitagawa, Tadashi Koike, Hiroyuki Hyakutake | 1994-02-01 |
| 4977064 | Optical recording medium and process for fabricating the same | Hiroshi Sukawa, Sumio Hirose, Shigeru Takahara | 1990-12-11 |