Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053494 | Fiber reactive polyazo dye having two vinylsulfone type reactive groups through triazinyl bridging group | Takashi Omura, Naoki Harada | 1991-10-01 |
| 4933446 | Triphenodioxazine compounds | Naoki Harada, Takashi Omura | 1990-06-12 |
| 4843149 | Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group | Yutaka Kayane, Takashi Omura, Naoki Harada, Akira Takeshita | 1989-06-27 |
| 4841048 | Dioxazine compound having vinylsulfone type fiber reactive group | Takashi Omura, Naoki Harada | 1989-06-20 |
| 4780107 | Fiber reactive dioxazine compound having four vinylsulfone type reactive groups | Naoki Harada, Takashi Omura | 1988-10-25 |
| 4701524 | Pyridone monoazo compound having vinylsulfone type fiber-reactive group | Yutaka Kayane, Takashi Omura, Naoki Harada, Akira Takeshita | 1987-10-20 |
| 4698421 | Fiber-reactive disazo brown dye having vinylsulfone-type reactive group | Yutaka Kayane, Takashi Omura, Naoki Harada | 1987-10-06 |
| 4618671 | 4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups | Yutaka Kayane, Tetsuya Miyamoto, Takashi Omura, Naoki Harada, Akira Takeshita | 1986-10-21 |