Hisashi Matsumoto

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Epoxy resin composition and semiconductor sealing material comprisi...
- Patent number 5,064,881
- Issue date Nov 12, 1991
- Mitsui Petrochemical Industries, Ltd.
- Eiki Togashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reinforcing material for hydraulic substances and method for the pr...
- Patent number 4,379,870
- Issue date Apr 12, 1983
- Mitsui Petrochemical Industries, Ltd.
- Hisashi Matsumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Reinforcing material for hydraulic substances and method for the pr...
- Patent number 4,297,414
- Issue date Oct 27, 1981
- Mitsui Petrochemical Industries, Ltd.
- Hisashi Matsumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Grafted polyolefin composition having improved adhesiveness
- Patent number 4,198,327
- Issue date Apr 15, 1980
- Mitsui Petrochemical Industries Ltd.
- Hisashi Matsumoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...