Toshiyuki Fujita

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivativ...
- Patent number 5,166,363
- Issue date Nov 24, 1992
- Hitachi Chemical Company, Ltd.
- Tohru Kikuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing methacrylic acid esters
- Patent number 5,072,027
- Issue date Dec 10, 1991
- Hitachi Chemical Company, Ltd.
- Akihiro Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lens and optical disc base plate obtained from copolymer of norborn...
- Patent number 4,986,648
- Issue date Jan 22, 1991
- Hitachi Chemical Company, Ltd.
- Akihiro Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof...
- Patent number 4,958,001
- Issue date Sep 18, 1990
- Hitachi Chemical Company, Ltd.
- Tohru Kikuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of methacrylate ester
- Patent number 4,916,255
- Issue date Apr 10, 1990
- Hitachi, Ltd.
- Akihiro Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Para- or meta-terphenyltetracarboxylic acid, dianhydride thereof an...
- Patent number 4,912,233
- Issue date Mar 27, 1990
- Hitachi Chemical Company, Ltd.
- Tohru Kikuchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optical resin material
- Patent number 4,868,261
- Issue date Sep 19, 1989
- Hitachi Chemical Company, Ltd.
- Akihiro Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrophoto toner comprising imido group monomer unit in polymer
- Patent number 4,686,166
- Issue date Aug 11, 1987
- Hitachi Chemical Co.
- Yuugo Kumagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Toshiyuki Fujita

Person

Patents Grantslast 30 patents

Process for producing 1,3-bis(dicarboxyphenyl)-disiloxane derivativ...

Process for producing methacrylic acid esters

Lens and optical disc base plate obtained from copolymer of norborn...

Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof...

Method for production of methacrylate ester

Para- or meta-terphenyltetracarboxylic acid, dianhydride thereof an...

Optical resin material

Electrophoto toner comprising imido group monomer unit in polymer