Masato Yoshikawa

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of carbonaceous powders and their granulation
- Patent number 4,985,184
- Issue date Jan 15, 1991
- Mitsubishi Petrochemical Company Limited
- Kunimasa Takahashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ethylene-propylene rubbery copolymer
- Patent number 4,125,699
- Issue date Nov 14, 1978
- Japan EP Rubber Co., Ltd.
- Akira Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...