Akira Kojima

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Kiryu-shi, Gunma-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ferromagnetic organic substance having triaryl methane structure an...
- Patent number 4,954,607
- Issue date Sep 4, 1990
- Gunma University
- Sugio Otani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermosetting aromatic resin composition
- Patent number 4,866,157
- Issue date Sep 12, 1989
- Sugio Otani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...