Hiroshi Aiga

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Halogenated anthraquinone and their use as near infrared rays absor...
- Patent number 5,342,974
- Issue date Aug 30, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Tsukasa Ohyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic coloring agents for liquid crystal displays
- Patent number 4,883,611
- Issue date Nov 28, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Keisuke Takuma
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dichroic azo dyestuffs and liquid crystal composition containing sa...
- Patent number 4,734,218
- Issue date Mar 29, 1988
- Mitsui Toatsu Chemicals, Incorporated
- Keisuke Takuma
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing dianthraquinone-N,N'-dihydrazine and its chlo...
- Patent number 4,628,091
- Issue date Dec 9, 1986
- Mitsui Toatsu Chemicals, Inc.
- Kimitoshi Kato
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...