Takehiro Iwamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for manufacturing bag with chuck tape
- Patent number 7,887,653
- Issue date Feb 15, 2011
- Idemitsu Unitech Co. Ltd.
- Shuichi Goto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Chuck and chuck-equipped bag
- Patent number 7,765,649
- Issue date Aug 3, 2010
- Idemitsu Unitech Co., Ltd.
- Ryo Katada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Oriented film easy to split and method of producing the same
- Patent number 5,925,305
- Issue date Jul 20, 1999
- Idemitsu Petrochemical Co., Ltd.
- Masao Takashige
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Easy-cleavage film and a method of producing the same
- Patent number 5,716,696
- Issue date Feb 10, 1998
- Idemitsu Petrochemical Co., Ltd.
- Masao Takashige
- B32 - LAYERED PRODUCTS
Information Patent Grant
Oriented film easy to split
- Patent number 5,541,011
- Issue date Jul 30, 1996
- Idemitsu Petrochemical Co., Ltd.
- Masao Takashige
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING BAG WITH CHUCK TAPE
- Publication number 20090050254
- Publication date Feb 26, 2009
- Shuichi Goto
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
Chuck and Chuck-Equipped Bag
- Publication number 20070266532
- Publication date Nov 22, 2007
- Ryo Katada
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Easily openable self-standing bag
- Publication number 20040157015
- Publication date Aug 12, 2004
- Idemitsu Petrochemical Co., Ltd.
- Masanobu Oshima
- B32 - LAYERED PRODUCTS