Hiroshi Ogawa

Person

Kawaguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lactic acid derivatives and liquid crystal compositions containing...
- Patent number 5,324,451
- Issue date Jun 28, 1994
- Dainippon Ink and Chemicals, Inc.
- Sadao Takehara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Liquid crystal devices and process for producing the same
- Patent number 5,304,323
- Issue date Apr 19, 1994
- Dainippon Ink and Chemicals, Inc.
- Yoshi Arai
- G02 - OPTICS
Information Patent Grant
2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, and...
- Patent number 5,128,472
- Issue date Jul 7, 1992
- Dainippon Ink and Chemicals, Inc.
- Masashi Osawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and...
- Patent number 4,997,942
- Issue date Mar 5, 1991
- Dainippon Ink & Chemical, Inc.
- Masashi Osawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active carboxylic acid derivatives and liquid crystalline...
- Patent number 4,914,224
- Issue date Apr 3, 1990
- Dainippon Ink and Chemicals, Inc.
- Tadao Shoji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optically active carboxylic acid derivatives and liquid crystalline...
- Patent number 4,911,862
- Issue date Mar 27, 1990
- Dainippon Ink and Chemicals, Inc.
- Tadao Shoji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Hiroshi Ogawa

Person

Patents Grantslast 30 patents

Lactic acid derivatives and liquid crystal compositions containing...

Liquid crystal devices and process for producing the same

2,5-disubstituted pyrazine derivatives, pyrimidine derivatives, and...

2,4-disubstituted pyrazine derivatives, pyrimidine derivatives, and...

Optically active carboxylic acid derivatives and liquid crystalline...

Optically active carboxylic acid derivatives and liquid crystalline...