Akira Umehara

Person

Minamin-ashigara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Positive-working light-sensitive composition
- Patent number 5,939,235
- Issue date Aug 17, 1999
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive composition
- Patent number 5,364,738
- Issue date Nov 15, 1994
- Fuji Photo Film Co., Ltd.
- Shunichi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable composition
- Patent number 5,346,805
- Issue date Sep 13, 1994
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-sensitive composition
- Patent number 5,320,931
- Issue date Jun 14, 1994
- Fuji Photo Film Co., Ltd.
- Akira Umehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable composition
- Patent number 5,250,385
- Issue date Oct 5, 1993
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive type light-sensitive composition
- Patent number 5,212,042
- Issue date May 18, 1993
- Fuji Photo Film Co., Ltd.
- Fumiaki Shinozaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Positive working photosensitive composition
- Patent number 5,202,216
- Issue date Apr 13, 1993
- Fuji Photo Film Co., Ltd.
- Yoshimasa Aotani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Positively working resist material
- Patent number 4,842,986
- Issue date Jun 27, 1989
- Fuji Photo Film Co., Ltd.
- Nobuaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable compositions
- Patent number 4,636,459
- Issue date Jan 13, 1987
- Fuji Photo Film Co., Ltd.
- Kouichi Kawamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photopolymerizable composition comprising an acridine and a heteroc...
- Patent number 4,587,200
- Issue date May 6, 1986
- Fuji Photo Film Co., Ltd.
- Koji Tamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photo-polymerizable process of image formation using unsaturated ma...
- Patent number 4,557,997
- Issue date Dec 10, 1985
- Fuji Photo Film Co., Ltd.
- Masayuki Iwasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable composition
- Patent number 4,555,474
- Issue date Nov 26, 1985
- Fuji Photo Film Co., Ltd.
- Kouichi Kawamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photopolymerizable compositions
- Patent number 4,505,793
- Issue date Mar 19, 1985
- Fuji Photo Film Co., Ltd.
- Koji Tamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable composition containing a combination of photoini...
- Patent number 4,481,276
- Issue date Nov 6, 1984
- Fuji Photo Film Co., Ltd.
- Shun-ichi Ishikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric photoconductive sensitized by bis(.beta.-cyano-.beta.-alk...
- Patent number 4,480,020
- Issue date Oct 30, 1984
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable compositions
- Patent number 4,399,211
- Issue date Aug 16, 1983
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable composition
- Patent number 4,367,280
- Issue date Jan 4, 1983
- Fuji Photo Film Co., Ltd.
- Syunichi Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable compositions
- Patent number 4,290,870
- Issue date Sep 22, 1981
- Fuji Photo Film Co., Ltd.
- Syunichi Kondoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photopolymerizable compositions containing inhibitor compounds havi...
- Patent number 4,264,710
- Issue date Apr 28, 1981
- Fuji Photo Film Co., Ltd.
- Syunichi Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable compositions having combined photoinitiators
- Patent number 4,259,432
- Issue date Mar 31, 1981
- Fuji Photo Film Co., Ltd.
- Syunichi Kondoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable composition comprising multi-photoinitiator system
- Patent number 4,148,658
- Issue date Apr 10, 1979
- Fuji Photo Film Co., Ltd.
- Syunichi Kondoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Akira Umehara

Person

Patents Grantslast 30 patents

Positive-working light-sensitive composition

Light-sensitive composition

Photopolymerizable composition

Light-sensitive composition

Photopolymerizable composition

Positive type light-sensitive composition

Positive working photosensitive composition

Positively working resist material

Photopolymerizable compositions

Photopolymerizable composition comprising an acridine and a heteroc...

Photo-polymerizable process of image formation using unsaturated ma...

Photopolymerizable composition

Photopolymerizable compositions

Photopolymerizable composition containing a combination of photoini...

Polymeric photoconductive sensitized by bis(.beta.-cyano-.beta.-alk...

Photopolymerizable compositions

Photopolymerizable composition

Photopolymerizable compositions

Photopolymerizable compositions containing inhibitor compounds havi...

Photopolymerizable compositions having combined photoinitiators

Photopolymerizable composition comprising multi-photoinitiator system