Issued Patents All Time
Showing 26–50 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235064 | Dye containing polarizing film | Kazuya Ogino, Narutoshi Hayashi, Setsuko Yamamoto | 2001-05-22 |
| 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 |
| 5770707 | Monoazo compounds and dyeing or printing methods using the same | Yoshimi Ebiike, Takeshi Washimi, Yasuyoshi Ueda | 1998-06-23 |
| 5720779 | Anthraquinone reactive dye compositions and methods for dyeing or printing using the same | Yoshimi Ebiike, Takeshi Washimi, Yasuyoshi Ueda | 1998-02-24 |
| 5700296 | Azo compound and a polarizing film containing the same | Kazuya Ogino, Kaneo Yokoyama, Narutoshi Hayashi, Setsuko Yamamoto | 1997-12-23 |
| 5659020 | Tetrakisazo compound and a polarizing film containing the same | Kazuya Ogino, Kaneo Yokoyama, Narutoshi Hayashi | 1997-08-19 |
| 5650507 | Asymmetric dioxazine compounds and use thereof as fiber reactive dyes | Kingo Akahori, Junya Hada, Shigeru Kawabata, Naoki Harada | 1997-07-22 |
| 5637705 | Bisazo compounds and use thereof as fiber reactive dyes | Sigeru Sasaki, Kingo Akahori, Takeshi Washimi, Toshiyuki Araki, Atsushi Inoue | 1997-06-10 |
| 5609796 | Dye containing polarizing film | Setsuko Yamamoto, Kazuya Ogino, Narutohsi Hayashi | 1997-03-11 |
| 5596083 | Monoazo compounds and method for dyeing or printing fiber materials using the same | Nobutaka Kunimi, Yasuyoshi Ueda | 1997-01-21 |
| 5536819 | Trisazo compounds imparting deep black color a method for dyeing by using them and an ink containing them | Yuriko Tamura, Kazuya Ogino, Mahito Fujita, Hideo Kawashita, Koji Aburada | 1996-07-16 |
| 5530105 | Tetraskisazo compound and ink containing the compound | Satoshi Yamazaki, Hideo Kawashita, Koji Aburada, Kazuya Ogino, Yuriko Tamura | 1996-06-25 |
| 5489671 | Trisazo compound imparting black color, method for dyeing by using it and ink containing it | Kazuya Ogino, Yuriko Tamura, Mahito Fujita, Hideo Kawashita, Koji Aburada | 1996-02-06 |
| 5486607 | Dioxazine blue dye compound having vinylsulfone type fiber reactive groups | Tetsuya Miyamoto, Miyao Takahashi, Takahiko Fujisaki, Naoki Harada, Yutaka Kayane | 1996-01-23 |
| 5480977 | Disazo dyes having aminobenzoylamino group | Kazuya Ogino, Narutoshi Hayashi | 1996-01-02 |
| 5478927 | Bisazo compounds and use thereof as fiber reactive dyes | Sigeru Sasaki, Kingo Akahori, Takeshi Washimi, Toshiyuki Araki, Atsushi Inoue | 1995-12-26 |
| 5463032 | Bisazo compounds and method for dyeing or printing fiber materials using the same | Kingo Akahori, Yoshiteru Ohta, Mahito Fujita, Naoki Harada | 1995-10-31 |
| 5438137 | Fiber reactive asymmetric dioxazine compounds and their use as fiber reactive dyes | Tetsuya Miyamoto, Miyao Takahashi, Takahiko Fujisaki, Shinei Ikeou, Naoki Harada | 1995-08-01 |
| 5424455 | Heterocyclic compounds for making red disperse dyes | Jun Yamamoto, Yasuyoshi Ueda, Junichi Sekihachi, Yosuke Yamamoto | 1995-06-13 |
| 5324329 | Reactive dye composition and dyeing or printing process using the same | Takeshi Washimi, Naoki Harada, Shuhei Hashizume | 1994-06-28 |
| 5306814 | Bisazo compounds having sulfophenylazonaphtylazophenylamino-s-triazinyl group and use thereof for dyeing or printing fiber materials | Kingo Akahori, Takeshi Washimi, 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 | Kingo Akahori, Naoki Harada, Yutaka Kayane | 1993-11-30 |
| 5116956 | Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups | Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takeshi Washimi, Naoki Harada +1 more | 1992-05-26 |
| 5116959 | Fiber-reactive monoazo dye compounds having substituted triazinyl bridging group | Toshihiko Morimitsu, Naoki Harada, Sadanobu Kikkawa | 1992-05-26 |
| 5112959 | Polyazo dye compounds having plural vinylsulfone type fiber reactive groups in one molecule | Tetsuya Miyamoto, Kazufumi Yokogawa, Yutaka Kayane, Takeshi Washimi, Naoki Harada +1 more | 1992-05-12 |