Mitsumasa Kojima

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polyimide precursor, polyimide and their use
- Patent number 6,309,791
- Issue date Oct 30, 2001
- Hitachi Chemical Co.
- Hideo Hagiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimide precursor, polyimide and their use
- Patent number 6,143,475
- Issue date Nov 7, 2000
- Hitachi Chemical Co.
- Hideo Hagiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive resin composition containing a photosensitive polyam...
- Patent number 6,071,667
- Issue date Jun 6, 2000
- Hitachi Chemical Co., Ltd.
- Hideo Hagiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photoinitiator compositions including amino acids, coumarin and tit...
- Patent number 5,811,218
- Issue date Sep 22, 1998
- Hitachi Chemical Company, Ltd.
- Makoto Kaji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition and photosensitive element using t...
- Patent number 5,262,277
- Issue date Nov 16, 1993
- Hitachi Chemical Company, Inc.
- Kuniaki Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes for preparation of polyimide-isoindroquinazolinedione and...
- Patent number 5,115,089
- Issue date May 19, 1992
- Hitachi Chemical Co., Ltd.
- Masatoshi Yoshida
- 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
Process for producing polyamide acid having siloxane bonds and poly...
- Patent number 4,847,358
- Issue date Jul 11, 1989
- Hitachi Chemical Company, Ltd.
- Mitsumasa Kojima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-sensitive polymer composition with poly(amic acid), bisazide,...
- Patent number 4,565,767
- Issue date Jan 21, 1986
- Hitachi, Ltd.
- Fumio Kataoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Mitsumasa Kojima

Person

Patents Grantslast 30 patents

Polyimide precursor, polyimide and their use

Polyimide precursor, polyimide and their use

Photosensitive resin composition containing a photosensitive polyam...

Photoinitiator compositions including amino acids, coumarin and tit...

Photosensitive resin composition and photosensitive element using t...

Processes for preparation of polyimide-isoindroquinazolinedione and...

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

Process for producing polyamide acid having siloxane bonds and poly...

Light-sensitive polymer composition with poly(amic acid), bisazide,...