Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861549 | Production method of 4′-bromomethyl-2-cyanobiphenyl | Seiji Yamada, Ken Ishihara | 2005-03-01 |
| 6187921 | 2-amino-6-chloropurine and method for preparing the same | Masatoshi Sakai, Masaki Fujiwara | 2001-02-13 |
| 5789590 | Double cone-like crystal form of 2-amino-6-chloropurine and preparation | Masatoshi Sakai, Masaki Fujiwara | 1998-08-04 |
| 5599971 | Method for producing 1,4-dihydroxy-2-naphthoic acid | Yasuhiro Nishida, Shinichi Watanabe, Norio Kometani | 1997-02-04 |
| 5367075 | Anthrapyridone compounds, their production process and their use | Yoshitugu Egashira, Yasuyuki Suzuki | 1994-11-22 |
| 5304677 | Method for producing 2,6-dihydroxybenzoic acid | Yasuhiro Nishida, Norio Kometani | 1994-04-19 |
| 5276198 | Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol | Yasuhiro Nishida, Norio Kometani | 1994-01-04 |
| 5183892 | Anthrapyridone compounds | Masanobu Terao, Shigetoshi Muneishi, Norio Kometani, Yoshiaki Hayashi | 1993-02-02 |
| 5136045 | Pyrazole containing methine compounds | Masanobu Terao | 1992-08-04 |
| 4902798 | Anthrapyridone compounds | Yoshitugu Egashira, Yasuyuki Suzuki | 1990-02-20 |
| 4711641 | Reactive dye composition: mixture of reactive copper phthalocyanine dyes: dichloro-triazinyl dye and vinyl sulphonyl type dye | Tetsuya Miyamoto, Kunihiko Imada | 1987-12-08 |
| 4690686 | Light-fast yellow disperse dye composition for polyester | Yoshikazu Matsuo, Masao Nishikuri, Kunihiko Imada | 1987-09-01 |
| 4667022 | Reactive dye having both monochlorotriozinyl and vinylsulfone type reactive groups | Yoshikazu Matsuo, Yasuo Tezuka | 1987-05-19 |
| 4626257 | Method for dyeing polyester fiber materials: disperse dye combinations with compensated color fading | Yoshikazu Matsuo, Toshikazu Moriwaki, Sadaharu Abeta, Kunihiko Imada | 1986-12-02 |
| 4396549 | Copper phthalocyanine blue reactive dye | Naoki Harada, Yasuo Tezuka | 1983-08-02 |