Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660867 | Metal complex type squarylium compounds and optical recording media made by using the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Soh Noguchi +1 more | 2003-12-09 |
| 6628595 | Optical recording method and apparatus for an optical storage medium | Noboru Sasa, Soh Noguchi, Tsutomu Satoh, Yasunobu Ueno, Yasuhiro Higashi | 2003-09-30 |
| 6599605 | Squarylium compounds and optical recording media using the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Masanori Ikuta +2 more | 2003-07-29 |
| 6596364 | Squarylium compounds and optical recording medium containing the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Masanori Ikuta +2 more | 2003-07-22 |
| 6558768 | Optical recording medium and optical recording and reading method using the same | Soh Noguchi, Tsutomu Satoh, Noboru Sasa, Yasunobu Ueno, Yasuhiro Higashi +6 more | 2003-05-06 |
| 6225022 | Optical recording medium and recording method using the same | Tsutomu Sato, Noboru Sasa, Yasunobu Ueno, Yasuhiro Higashi | 2001-05-01 |
| 6197477 | Optical recording medium | Tsutomu Satoh, Shohji Maruyama, Yasunobu Ueno, Noboru Sasa, Yasuhiro Higashi | 2001-03-06 |
| 6057020 | Optical recording medium and recording and/or reproduction method using the same | Yasunobu Ueno, Tsutomu Sato, Noboru Sasa, Yasuhiro Higashi | 2000-05-02 |
| 5998093 | Optical information recording medium | Tsutomu Satoh, Noboru Sasa, Yasunobu Ueno, Yasuhiro Higashi | 1999-12-07 |
| 5939163 | Optical information recording medium | Yasunobu Ueno, Tsutomu Satou, Noboru Sasa, Yasuhiro Hgashi | 1999-08-17 |
| 5863703 | Optical information recording medium using a phthalocyanine compound | Noboru Sasa, Tsutomu Sato | 1999-01-26 |
| 5677025 | Optical information recording medium near infrared absorbing material therefor | Tsutomu Sato, Noboru Sasa | 1997-10-14 |