Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841027 | Process for preparing phenyl- and naphthylazo-aminonaphthol sulphonic acids | Takashi Omura, Yasuo Tezuka, Hideharu Sone | 1989-06-20 |
| 4841031 | Reactive dye having both monochlorotriazinyl and vinylsulfone type reactive groups | Katsumasa Otake, Yasuo Tezuka | 1989-06-20 |
| 4832698 | Aqueous liquid composition of vinylsulfone type reactive dyes in lithium salt form and buffer | Shinei Ikeou, Takemi Tokieda, Noriaki Yamauchi, Kunihiko Imada | 1989-05-23 |
| 4751300 | Production of dioxazine compound | Taira Fujita | 1988-06-14 |
| 4701524 | Pyridone monoazo compound having vinylsulfone type fiber-reactive group | Hirokazu Sawamoto, Takashi Omura, Naoki Harada, Akira Takeshita | 1987-10-20 |
| 4698421 | Fiber-reactive disazo brown dye having vinylsulfone-type reactive group | Hirokazu Sawamoto, Takashi Omura, Naoki Harada | 1987-10-06 |
| 4631341 | Anthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groups | Takashi Omura, Katsumasa Otake, Akira Takeshita | 1986-12-23 |
| 4626589 | Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups | Takashi Omura, Mikoto Takahashi, Tetsuya Miyamoto, Akira Takeshita, Naoki Harada +1 more | 1986-12-02 |
| 4618671 | 4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups | Tetsuya Miyamoto, Takashi Omura, Hirokazu Sawamoto, Naoki Harada, Akira Takeshita | 1986-10-21 |
| 4548612 | Halo-triazine and vinylsulfone reactive dye composition with buffer for storage stability | Naoki Harada | 1985-10-22 |
| 4540418 | Reactive dye composition | Katsumasa Otake, Takashi Omura, Kunihiko Imada | 1985-09-10 |
| 4511507 | Monoazo compound having both monochlorotriazinyl and vinylsulfone type reactive groups | Takashi Omura, Katsumasa Otake, Akira Takeshita | 1985-04-16 |
| 4378313 | Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups | Masaki Sunami, Yasuo Tezuka | 1983-03-29 |
| 4341699 | Reactive red dye having both monochlorotriazinyl- and vinylsulfone-type reactive groups | Yasuo Tezuka, Masaki Sunami, Takashi Omura | 1982-07-27 |