Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091261 | Yellow hue compound and aqueous ink for ink-jet recording system using the same | Yoriaki Matsuzaki, Tadashi Okuma, Osamu Kohgo | 2006-08-15 |
| 6800674 | Anthraquinone compound and water-based ink-jet recording ink containing the compound | Osamu Kohgo, Yoriaki Matsuzaki, Tadashi Okuma | 2004-10-05 |
| 6104530 | Transparent laminates and optical filters for displays using same | Tomoyuki Okamura, Fumiharu Yamazaki, Shin Fukuda, Masaaki Yoshikai, Masato Koyama | 2000-08-15 |
| 5953857 | Method for controlling plant growth | Ichiro Aiga, Katsusuke Murakami, Shuhei Ikado, Ryu Nakamura, Kazuhiro Seino +1 more | 1999-09-21 |
| 5804102 | Plasma display filter | Kazuhiro Seino, 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 | Kazuhiro Seino, Yuko Mochizuki, Keisuke Takuma | 1998-08-04 |
| 5750229 | Phthalocyanine compound and optical recording medium containing it | Takahisa Oguchi, Hideki Umehara, Kenichi Sugimoto, Hisato Itoh | 1998-05-12 |
| 5750599 | Quinophthalone compounds and polarizing films using same | Akira Ogiso, Rihoko Imai, Tsutami Misawa, Yoriaki Matsuzaki, Hisato Itoh | 1998-05-12 |
| 5705101 | Near infrared absorber, preparation process therefor and use thereof | Kazuhiro Seino, Keisuke Takuma | 1998-01-06 |
| 5698682 | Azo compounds and polarizing films using the compounds | Yoriaki Matsuzaki, Rihoko Imai, Keisuke Takuma, Hisato Itoh | 1997-12-16 |
| 5659039 | Quinophthalone compounds | Akira Ogiso, Rihoko Imai, Tsutami Misawa, Yoriaki Matsuzaki, Hisato Itoh | 1997-08-19 |
| 5646273 | Phthalocyanine compound and optical recording medium containing it | Takahisa Oguchi, Hideki Umehara, Kenichi Sugimoto, Hisato Itoh | 1997-07-08 |
| 5639809 | Azo compounds and polarizing films using the compounds | Yoriaki Matsuzaki, Rihoko Imai, Keisuke Takuma, Hisato Itoh | 1997-06-17 |
| 5446142 | Phthalocyanine and naphthalocyanine light-absorbing compound and optical recording medium containing same | Hisato Itoh, Takahisa Oguchi, Kenichi Sugimoto, Hideki Umehara, Shin Aihara | 1995-08-29 |
| 5162554 | Optically active enantiomers of substituted glyceraldehydes or glycidaldehydes formed as subtituted 1,5- dihydro-3H-2,4-benzodioxepines | K. Barry Sharpless | 1992-11-10 |
| 5108558 | Process for the electroreduction of aromatic carboxylic acids | Shinji Takenaka, Chitoshi Shimakawa | 1992-04-28 |
| 5068459 | Process for producing m-phenoxybenzyl alcohol | Shinji Takenaka, Chitoshi Shimakawa | 1991-11-26 |
| 4694110 | Process for production of m-phenoxybenzyl alcohol | Shinji Takenaka | 1987-09-15 |
| 4684449 | Process for producing m-hydroxybenzyl alcohol | Shinji Takenaka, Chitoshi Shimakawa | 1987-08-04 |