Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136970 | Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same | Kazufumi Yokogawa, Takahiko Fujisaki, Miyao Takahashi, Shigeru Kawabata, Naoki Harada +2 more | 2000-10-24 |
| 5650507 | Asymmetric dioxazine compounds and use thereof as fiber reactive dyes | Junya Hada, Takashi Omura, Shigeru Kawabata, Naoki Harada | 1997-07-22 |
| 5637705 | Bisazo compounds and use thereof as fiber reactive dyes | Sigeru Sasaki, Takeshi Washimi, Takashi Omura, Toshiyuki Araki, Atsushi Inoue | 1997-06-10 |
| 5606092 | Monoazo compounds and method for dyeing or printing fiber materials using the same | Masayuki Miki, Yutaka Kayane, Takeshi Washimi | 1997-02-25 |
| 5488098 | Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same | Masayuki Miki, Yutaka Kayane, Takeshi Washimi | 1996-01-30 |
| 5488101 | Trisazo compounds, method for dyeing fiber materials, paper or leather using the same and inks containing the same | Kazuya Ogino, Naoki Harada, Yutaka Kayane, Hideo Kawashita, Mituhiro Ohta | 1996-01-30 |
| 5478927 | Bisazo compounds and use thereof as fiber reactive dyes | Sigeru Sasaki, Takeshi Washimi, Takashi Omura, Toshiyuki Araki, Atsushi Inoue | 1995-12-26 |
| 5463032 | Bisazo compounds and method for dyeing or printing fiber materials using the same | Yoshiteru Ohta, Takashi Omura, Mahito Fujita, Naoki Harada | 1995-10-31 |
| 5359040 | Monoazo compounds having naphthylazonaphtylamino group and use therefor for dyeing or printing fiber materials | Masayuki Miki, Takeshi Washimi, Yutaka Kayane | 1994-10-25 |
| 5308362 | Fiber reactive yellow dye composition | Yutaka Kayane, Naoki Harada | 1994-05-03 |
| 5306814 | Bisazo compounds having sulfophenylazonaphtylazophenylamino-s-triazinyl group and use thereof for dyeing or printing fiber materials | Takeshi Washimi, Takashi Omura, Mahito Fujita | 1994-04-26 |
| 5266696 | 1-aminoanthraquinone dye compound having fiber reactive group through sulfur or oxygen atom at 4-position and imparting red color | Naoki Harada, Yutaka Kayane, Takashi Omura | 1993-11-30 |
| 5235046 | Triazine compounds and method for dyeing or printing fiber materials using the same | Masayuki Miki, Yutaka Kayane, Takeshi Washimi | 1993-08-10 |
| 5180817 | Trisazo compounds and use thereof | Kazuya Ogino, Naoki Harada | 1993-01-19 |
| 5131917 | Fiber reactive red dye composition | Tetsuya Miyamoto, Yutaka Kayane, Sadanobu Kikkawa | 1992-07-21 |
| 5116956 | Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups | Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takashi Omura, Takeshi Washimi +1 more | 1992-05-26 |
| 5112959 | Polyazo dye compounds having plural vinylsulfone type fiber reactive groups in one molecule | Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takashi Omura, Takeshi Washimi +1 more | 1992-05-12 |
| 5112971 | Anthraquinone dye compounds having fibers reactive group | Naoki Harada, Yutaka Kayane, Takashi Omura | 1992-05-12 |
| 5104978 | Monoazo red reactive dye compound having a vinylsulfone type fiber reactive group and a substituted triazinyl group | Masayuki Miki, Takashi Omura, Naoki Harada, Takeshi Washimi | 1992-04-14 |
| 5037965 | Monoazo red dye compound having vinylsulfone type fiber reactive groups | Toshihiko Morimitsu, Yutaka Kayane, Naoki Harada, Takashi Omura | 1991-08-06 |
| 4975094 | Anthrapyridone compounds having vinylsulfone type fiber reactive group through triazinyl bridging group | Masayuki Miki, Yutaka Kayane, Naoki Harada, Takashi Omura | 1990-12-04 |