Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tatsuya Tomura, Noboru Sasa, Yasunobu Ueno +6 more | 2003-05-06 |