Akira Umehara

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Asaka, JA

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Patents Grantslast 30 patents

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
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
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
Reactive polymer
- Patent number 3,936,429
- Issue date Feb 3, 1976
- Fuji Photo Film Co., Ltd.
- Yoshio Seoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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