Katsuhiko Arai

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Kodaira, JA

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Patents Grantslast 30 patents

Information Patent Grant
Flame- and smoke-resistant polyurethane foam and a method for produ...
- Patent number 4,077,920
- Issue date Mar 7, 1978
- Bridgestone Tire Company Limited
- Toshio Yukuta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing organic solvent-soluble poly(amide-imide)
- Patent number 4,058,503
- Issue date Nov 15, 1977
- Bridgestone Tire Company Limited
- Toshio Yukuta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...