Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818262 | Filters for electronic display device | Ikuo Shimizu, Motoharu Kinugasa, Hiroshi Toyoda | 2004-11-16 |
| 6794005 | Optical recording medium, optical recording method and optical recording device | Soh Noguchi, Tsutomu Satoh, Tatsuya Tomura, Yasunobu Ueno, Tohru Yashiro +4 more | 2004-09-21 |
| 6737143 | Optical recording medium, optical recording method and optical recording device | Soh Noguchi, Tsutomu Sato, Tatsuya Tomura, Yasunobu Ueno, Ikuo Shimizu +2 more | 2004-05-18 |
| 6660867 | Metal complex type squarylium compounds and optical recording media made by using the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Soh Noguchi, Tsutomu Satoh +1 more | 2003-12-09 |
| 6599605 | Squarylium compounds and optical recording media using the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Masanori Ikuta, Kenji Mutoh +2 more | 2003-07-29 |
| 6596364 | Squarylium compounds and optical recording medium containing the same | Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Masanori Ikuta, Kenji Mutoh +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 |