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Takeshi Shiraki
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Kuga, JP
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last 30 patents
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Patent Grant
Ultra-high molecular weight polyethylene thin-wall pipe, and method...
Patent number
5,683,767
Issue date
Nov 4, 1997
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for manufacturing of ultra high molecular weight polyethy...
Patent number
5,417,561
Issue date
May 23, 1995
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ultra-high molecular weight polyethylene thin-wall pipe, and method...
Patent number
5,290,498
Issue date
Mar 1, 1994
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of making stretched filaments of ultra-high-molecular weight...
Patent number
5,256,358
Issue date
Oct 26, 1993
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermoplastic resin composition
Patent number
4,990,559
Issue date
Feb 5, 1991
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Inflation film of ultrahigh molecular weight polyethylene
Patent number
4,987,025
Issue date
Jan 22, 1991
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Flexible tube of thermoplastic resin having poor melt flowability a...
Patent number
4,946,371
Issue date
Aug 7, 1990
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Flexible tube of thermoplastic resin having poor melt flowability a...
Patent number
4,938,908
Issue date
Jul 3, 1990
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyolefin composition
Patent number
4,933,393
Issue date
Jun 12, 1990
Mitsui Petrochemical Industries, Ltd.
Akinori Toyota
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Injection molding of ultra high molecular weight polyethylene
Patent number
4,164,531
Issue date
Aug 14, 1979
Mitsui Petrochemical Industries, Ltd.
Takeshi Shiraki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL