Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551541 | Optical information recording medium | Kanji Shimizu | 2009-06-23 |
| 7512059 | Optical information recording medium and process for producing optical information recording medium | Kanji Shimizu, Morito Morishima | 2009-03-31 |
| 7226889 | Optical information-recording medium | Kanji Shimizu, Morito Morishima | 2007-06-05 |
| 5972457 | Optical recording medium | Toshifumi Takisawa, Shuuichi Maeda | 1999-10-26 |
| 5944945 | Thermal transfer device | Akihiro Shinohe, Junichi Inamura, Shuichi Maeda | 1999-08-31 |