Toyokazu Takubo

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Snap zipper
- Patent number 5,645,905
- Issue date Jul 8, 1997
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Snap zipper and bag with the same
- Patent number 5,603,995
- Issue date Feb 18, 1997
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Snap fastener and packaging bag with the same
- Patent number 5,415,904
- Issue date May 16, 1995
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Process of producing thermplastic resin sheet and the like and mold...
- Patent number 4,867,927
- Issue date Sep 19, 1989
- Idemitsu Petrochemical Co., Ltd.
- Akira Funaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process of producing thermoplastic resin sheet and equipment therefor
- Patent number 4,863,653
- Issue date Sep 5, 1989
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Screw for molding thermoplastic resin having a stress relaxation se...
- Patent number 4,729,666
- Issue date Mar 8, 1988
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for extruding thermoplastic resin
- Patent number 4,666,649
- Issue date May 19, 1987
- Idemitsu Petrochemical Co., Ltd.
- Toyokazu Takubo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing micro emboss sheet and micro emboss sheet
- Publication number 20040113316
- Publication date Jun 17, 2004
- Atsushi Fujii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for producing embossed sheet and embossed sheet
- Publication number 20040026824
- Publication date Feb 12, 2004
- Atsushi Fujii
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Toyokazu Takubo

Person

Patents Grantslast 30 patents

Snap zipper

Snap zipper and bag with the same

Snap fastener and packaging bag with the same

Process of producing thermplastic resin sheet and the like and mold...

Process of producing thermoplastic resin sheet and equipment therefor

Screw for molding thermoplastic resin having a stress relaxation se...

Method of and apparatus for extruding thermoplastic resin

Patents Applicationslast 30 patents

Method of manufacturing micro emboss sheet and micro emboss sheet

Method for producing embossed sheet and embossed sheet