Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710855 | Optical recording medium, recording and reproducing method thereof, and optical recording apparatus | Tohru Yashiro, Yuki Nakamura, Tatsuo Mikami, Ikuo Shimizu, Hiroshi Toyoda | 2010-05-04 |
| 7687633 | Filters for electronic display devices | Ikuo Shimizu, Katsumi Ukai | 2010-03-30 |
| 7521562 | Filters for electronic display devices | Ikuo Shimizu, Junzo Yamano, Katsumi Ukai | 2009-04-21 |
| 7368224 | Photopolymerizable composition | Tsuguo Yamaoka, Ikuo Shimizu, Hiroshi Toyoda, Masanori Ikuta, Kyoko Katagi | 2008-05-06 |
| 7242542 | Filters of electronic displays | Ikuo Shimizu, Hiroshi Toyoda, Masanori Ikuta, Kyoko Katagi | 2007-07-10 |
| 7223521 | Squarylium-metal chelate compounds and optical recording media | Tohru Yashiro, Tomomi Ishimi, Tatsuo Mikami, Ikuo Shimizu, Hiroshi Toyoda | 2007-05-29 |
| 6936323 | Optical recording medium, and method and device using the same | Soh Noguchi, Tsutomu Sato, Tatsuya Tomura, Yasunobu Ueno, Ikuo Shimizu +1 more | 2005-08-30 |
| 6818262 | Filters for electronic display device | Ikuo Shimizu, Hiroshi Toyoda, Shiho Yamada | 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, Shiho Yamada, Soh Noguchi, Tsutomu Satoh +1 more | 2003-12-09 |
| 6599605 | Squarylium compounds and optical recording media using the same | Ikuo Shimizu, Hiroshi Toyoda, Shiho Yamada, Masanori Ikuta, Kenji Mutoh +2 more | 2003-07-29 |
| 6596364 | Squarylium compounds and optical recording medium containing the same | Ikuo Shimizu, Hiroshi Toyoda, Shiho Yamada, 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 |