Joei Yukawa

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of a silver coated copper powder and con...
- Patent number 4,652,465
- Issue date Mar 24, 1987
- Nissan Chemical Industries Ltd.
- Noriaki Koto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Epoxy resin and the process for its production
- Patent number 4,448,948
- Issue date May 15, 1984
- Nissan Chemical Industries, Ltd.
- Kazumi Tsubaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...