Masanobu Ishiyama

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Squeezable tubular container and process for the production thereof
- Patent number 5,725,715
- Issue date Mar 10, 1998
- Mitsui Petrochemical Industries, Ltd,
- Keizo Makuuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Squeezable tubular container and process for the production thereof
- Patent number 5,565,160
- Issue date Oct 15, 1996
- Mitsui Petrochemical Industries, Ltd.
- Keizo Makuuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing polypropylene and stretched polypropylene film
- Patent number 5,266,636
- Issue date Nov 30, 1993
- Mitsui Petrochemical Industries, Ltd.
- Mamoru Kioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polypropylene and stretched polypropylene film
- Patent number 5,159,021
- Issue date Oct 27, 1992
- Mitsui Petrochemical Industries, Ltd.
- Mamoru Kioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Film-forming propylene copolymer, film thereof and process for prod...
- Patent number 4,668,753
- Issue date May 26, 1987
- Mitsui Petrochemical Industries, Ltd.
- Norio Kashiwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...