Shiro Asakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 1-monoalkyl dimethylsilylpropyne pol...
- Patent number 5,373,073
- Issue date Dec 13, 1994
- Matsushita Electric Industrial Co., Ltd.
- Yukihiro Saito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Permselective composite membrane having improved gas permeability a...
- Patent number 5,176,724
- Issue date Jan 5, 1993
- Matsushita Electric Industrial Co., Ltd.
- Yukihiro Saito
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of 1-monoalkyl-dimethylsilylpropyne pol...
- Patent number 5,149,751
- Issue date Sep 22, 1992
- Matsushita Electric Industrial Co., Ltd.
- Yukihiro Saito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for making a thin film of polymer
- Patent number 4,925,612
- Issue date May 15, 1990
- Matsushita Electric Industrial Co., Ltd.
- Katsunori Waragai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Selective gas-permeable films
- Patent number 4,565,846
- Issue date Jan 21, 1986
- Matsushita Electric Industrial Company, Limited
- Yukihiro Saito
- C01 - INORGANIC CHEMISTRY