Mitumasa Kojima

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radiation-sensitive poly(amic acid) polymer composition
- Patent number 4,451,551
- Issue date May 29, 1984
- Hitachi, Ltd.
- Fumio Kataoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...