Yukio Maekawa

Person

Asaka, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Method of production of azo dyes from a quinone containing compound...
- Patent number 4,073,781
- Issue date Feb 14, 1978
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Furanacroyl esters
- Patent number 4,060,685
- Issue date Nov 29, 1977
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Redox dye releasers o-sulfonamidophenol
- Patent number 4,055,428
- Issue date Oct 25, 1977
- Fuji Photo Film Co., Ltd.
- Koichi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactive light-sensitive high polymer compound containing furyl pen...
- Patent number 4,041,017
- Issue date Aug 9, 1977
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Furan containing azo dye developers
- Patent number 4,014,700
- Issue date Mar 29, 1977
- Fuji Photo Film Co., Ltd.
- Shinsaku Fujita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azo dye developers comprising furan rings
- Patent number 3,994,731
- Issue date Nov 30, 1976
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive high molecular weight compound capable of being cro...
- Patent number 3,993,624
- Issue date Nov 23, 1976
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-azo pyrazolone type dye developer and light-sensitive material
- Patent number 3,982,946
- Issue date Sep 28, 1976
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dye developer for diffusion transfer elements
- Patent number 3,953,211
- Issue date Apr 27, 1976
- Fuji Photo Film Co., Ltd.
- Shinichi Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactive high polymer compound
- Patent number 3,931,248
- Issue date Jan 6, 1976
- Fuji Photo Film Co., Ltd.
- Yukio Maekawa
- C07 - ORGANIC CHEMISTRY

Yukio Maekawa

Person

Patents Grantslast 30 patents

Method of production of azo dyes from a quinone containing compound...

Furanacroyl esters

Redox dye releasers o-sulfonamidophenol

Reactive light-sensitive high polymer compound containing furyl pen...

Furan containing azo dye developers

Azo dye developers comprising furan rings

Light-sensitive high molecular weight compound capable of being cro...

Bis-azo pyrazolone type dye developer and light-sensitive material

Dye developer for diffusion transfer elements

Reactive high polymer compound