Kazuyuki Yamasaki

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of substrates for optical disk
- Patent number 5,354,517
- Issue date Oct 11, 1994
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Membrane filter material having excellent organic solvent resistanc...
- Patent number 5,035,802
- Issue date Jul 30, 1991
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membrane filter material having excellent organic solvent resistanc...
- Patent number 4,983,717
- Issue date Jan 8, 1991
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electret article
- Patent number 4,513,049
- Issue date Apr 23, 1985
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- B32 - LAYERED PRODUCTS