Katsuya Asao

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Functional polyamic acid microfine particles, functional polyimide...
- Patent number 6,335,418
- Issue date Jan 1, 2002
- Osaka Prefectural Government
- Katsuya Asao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting amic acid microfine particles, thermosetting imide mi...
- Patent number 6,333,392
- Issue date Dec 25, 2001
- Sumitomo Bakelite and Co. Ltd.
- Katsuya Asao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyamic acid and polyimide microfine particles and process for the...
- Patent number 6,187,899
- Issue date Feb 13, 2001
- Osaka Prefectural Government
- Katsuya Asao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...