Tsuyoshi Obikawa

Person

Suwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
1,3-dioxane derivative and liquid crystal compositions containing it
- Patent number 5,354,502
- Issue date Oct 11, 1994
- Seiko Epson Corporation
- Tsuyoshi Obikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-dioxane derivatives, methods of preparation and liquid crystal...
- Patent number 5,238,599
- Issue date Aug 24, 1993
- Seiko Epson Corporation
- Tsuyoshi Obikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidine derivatives and liquid crystal compositions including same
- Patent number 5,200,110
- Issue date Apr 6, 1993
- Seiko Epson Corporation
- Tsuyoshi Obikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystal compounds
- Patent number 5,061,400
- Issue date Oct 29, 1991
- Seiko Epson Corporation
- Tsuyoshi Obikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-dioxane derivatives and composition including same
- Patent number 5,026,879
- Issue date Jun 25, 1991
- Seiko Epson Corporation
- Tsuyoshi Obikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenylpyridine derivatives and liquid crystal compositions includ...
- Patent number 4,879,060
- Issue date Nov 7, 1989
- Seiko Epson Kabushiki Kaisha
- Yoshio Shionozaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenylpyridine derivatives
- Patent number 4,723,018
- Issue date Feb 2, 1988
- Seiko Epson Corporation
- Yoshio Shionozaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-phenylpyridine derivatives and liquid crystal compositions includ...
- Patent number 4,684,220
- Issue date Aug 4, 1987
- Seiko Epson Kabushiki Kaisha
- Yoshio Shionozaki
- C07 - ORGANIC CHEMISTRY

Tsuyoshi Obikawa

Person

Patents Grantslast 30 patents

1,3-dioxane derivative and liquid crystal compositions containing it

1,3-dioxane derivatives, methods of preparation and liquid crystal...

Pyrimidine derivatives and liquid crystal compositions including same

Liquid crystal compounds

1,3-dioxane derivatives and composition including same

2-phenylpyridine derivatives and liquid crystal compositions includ...

2-phenylpyridine derivatives

2-phenylpyridine derivatives and liquid crystal compositions includ...