Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332261 | Phthalocyanine compound, process for preparing the same, and optical recording medium containing the same | Shinichi Nakagawa, Tsutami Misawa, Satoshi Kinoshita, Akihiro Kosaka, Hiroshi Terao +1 more | 2008-02-19 |
| 5953857 | Method for controlling plant growth | Ichiro Aiga, Katsusuke Murakami, Shuhei Ikado, Ryu Nakamura, Ryu Oi +1 more | 1999-09-21 |
| 5916488 | Polyimide resin compositions for optical filters | Keisuke Takuma, Tsutami Misawa, Shoji Tamai, Wataru Yamashita | 1999-06-29 |
| 5868968 | Polyimide resin compositions for optical filters | Keisuke Takuma, Tsutami Misawa, Shoji Tamai, Wataru Yamashita | 1999-02-09 |
| 5804102 | Plasma display filter | Ryu Oi, Yoriaki Matsuzaki, Yuko Mochizuki, Keisuke Takuma, Shin Fukuda +1 more | 1998-09-08 |
| 5788914 | Near infrared ray absorbing compound having high durability and its use | Ryu Oi, Yuko Mochizuki, Keisuke Takuma | 1998-08-04 |
| 5705101 | Near infrared absorber, preparation process therefor and use thereof | Ryu Oi, Keisuke Takuma | 1998-01-06 |