Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7824451 | Disperse dye mixtures which have a high degree of light fastness | Wataru Seto, Koichi Fujisaki, Daisuke Hosoda, Hiroshi Inoue | 2010-11-02 |
| 7097670 | Yellow disperse dye mixture which has a high level of light fastness | Hiroshi Inoue, Wataru Seto | 2006-08-29 |
| 6388057 | Crystalline modification of a water-insoluble monoazo dye | Hiroshi Inoue, Yousuke Takahashi | 2002-05-14 |
| RE37004 | Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure | Yousuke Takahashi, Yukihara Shimizu, Kiyoshi Himeno | 2000-12-26 |
| 5756690 | Red reactive dyes, their compositions and dyeing method employing them | Yousuke Takahashi | 1998-05-26 |
| 5744588 | Blue type disperse dye mixture and process for its preparation | Kiyoshi Himeno, Yousuke Takahashi | 1998-04-28 |
| 5734028 | Blue type disperse dye mixture | Kiyoshi Himeno, Ryouchi Sekioka | 1998-03-31 |
| 5608042 | Benzothiazolemonoazo dyes | Kiyoshi Himeno, Ryouichi Sekioka | 1997-03-04 |
| 5595575 | Blue disperse dye mixture | Kiyoshi Himeno, Ryouichi Sekioka | 1997-01-21 |
| 5569309 | Disperse dye compositions | Kiyoshi Himeno | 1996-10-29 |
| 5545236 | Red reactive dyes, their compositions and dyeing method employing them | Yousuke Takahashi | 1996-08-13 |
| 5532344 | Process for producing a monoazodye by diazo-coupling of a p-nitroanaline derivative with a N,N-substituted analine derivative | Kiyoshi Himeno, Yoshiharu Hamano, Shinji Kubo | 1996-07-02 |
| 5527888 | Thiophene-type monoazo dyes | Kiyoshi Himeno, Ryouichi Sekioka | 1996-06-18 |
| 5494493 | Disperse dye mixture | Kiyoshi Himeno | 1996-02-27 |
| 5440024 | 3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereof | Kiyoshi Himeno, Wataru Shimizu | 1995-08-08 |
| 5380827 | Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure | Yousuke Takahashi, Yukiharu Shimizu, Kiyoshi Himeno | 1995-01-10 |
| 5368612 | Method of dyeing a fiber mixture with water-insoluble naphthalic acid imide dyestuffs | Kiyoshi Himeno | 1994-11-29 |
| 5332404 | Disperse dye mixtures | Kiyoshi Himeno, Hirotsugu Tsumura, Yoshiharu Hamano | 1994-07-26 |
| 5290931 | Water-insoluble naphthalic acid imide dyestuffs | Kiyoshi Himeno | 1994-03-01 |
| 4988801 | Water soluble monoazo dye-stuffs containing vinylsulfone and halogenotriazine or difluoromonochloro pyrimidine type reactive groups | Kanzi Shimizu, Yukiharu Shimizu | 1991-01-29 |
| 4985545 | Water-soluble formazan colorant containing reactive group and method of dyeing by its use | Kiyoshi Himeno, Kanzi Shimizu, Yukiharu Shimizu | 1991-01-15 |
| 4960871 | Fiber-reactive halotriazine pyridine-based monoazo colorant | Yukiharu Shimizu | 1990-10-02 |
| 4888028 | Water-soluble blue dye mixture and dyeing method: anthraquinone reactive dye and formazan reactive dye | Riyouichi Sekioka | 1989-12-19 |
| 4872881 | Mixtures of water-soluble red and yellow or blue reactive dyes and a method of dyeing cellulosic fibers using such dye mixtures | Takashi Fujita, Yoshio Kogure, Riyouichi Sekioka, Noboru Nakamura | 1989-10-10 |
| 4843150 | Pyrazolone or pyridone type water soluble disazo colorant containing one or two triazine rings | Yukiharu Shimizu, Kanzi Shimizu | 1989-06-27 |