Kazuhiko Hamada

Person

Nishigyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Asymmetrically modified boron hydride type compound and a method fo...
- Patent number 5,041,651
- Issue date Aug 20, 1991
- Sumitomo Chemical Company, Limited
- Yukio Yoneyoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active borane complex and a method for producing an optic...
- Patent number 4,923,999
- Issue date May 8, 1990
- Sumitomo Chemical Company, Limited
- Yukio Yoneyoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Asymmetrically modified boron hydride type compound, a production m...
- Patent number 4,760,149
- Issue date Jul 26, 1988
- Sumitomo Chemical Company, Limited
- Yukio Yoneyoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active borane complex and a method for producing an optic...
- Patent number 4,749,809
- Issue date Jun 7, 1988
- Sumitomo Chemical Company, Limited
- Yukio Yoneyoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of hydroxybenzaldehydes
- Patent number 4,584,410
- Issue date Apr 22, 1986
- Sumitomo Chemical Co., Ltd.
- Kazuhiko Hamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing an optically active 2,2-dimethylcyclopropaneca...
- Patent number 4,542,235
- Issue date Sep 17, 1985
- Sumitomo Chemical Company, Limited
- Masayoshi Minai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of hydroxybenzaldehydes
- Patent number 4,469,894
- Issue date Sep 4, 1984
- Sumitomo Chemical Co., Ltd.
- Kazuhiko Hamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of p-hydroxybenzaldehyde derivatives
- Patent number 4,429,163
- Issue date Jan 31, 1984
- Sumitomo Chemical Company, Limited
- Kanji Nishizawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 5-halomethylfurfural
- Patent number 4,424,390
- Issue date Jan 3, 1984
- Sumitomo Chemical Company, Limited
- Kazuhiko Hamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 5-methylfurfural
- Patent number 4,335,049
- Issue date Jun 15, 1982
- Sumitomo Chemical Company, Limited
- Kazuhiko Hamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a furan derivative
- Patent number 4,154,744
- Issue date May 15, 1979
- Sumitomo Chemical Company, Limited
- Kazuhiko Hamada
- C07 - ORGANIC CHEMISTRY

Kazuhiko Hamada

Person

Patents Grantslast 30 patents

Asymmetrically modified boron hydride type compound and a method fo...

Optically active borane complex and a method for producing an optic...

Asymmetrically modified boron hydride type compound, a production m...

Optically active borane complex and a method for producing an optic...

Process for the preparation of hydroxybenzaldehydes

Method for producing an optically active 2,2-dimethylcyclopropaneca...

Process for preparation of hydroxybenzaldehydes

Preparation of p-hydroxybenzaldehyde derivatives

Process for producing 5-halomethylfurfural

Process for producing 5-methylfurfural

Process for producing a furan derivative