Masahiro Yamasaki

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Nerima-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stretched laminate film and method of producing the same
- Patent number 7,648,737
- Issue date Jan 19, 2010
- Kureha Corporation
- Yasushi Ogino
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly moisture proof film and method of manufacturing the same
- Patent number 7,501,176
- Issue date Mar 10, 2009
- Kureha Corporation
- Masahiro Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vapor plating method for plastics
- Patent number 4,242,413
- Issue date Dec 30, 1980
- Sumitomo Chemical Company, Limited
- Shunji Iwahashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Methods for cleaning articles with upward flowing liquids
- Patent number 4,131,483
- Issue date Dec 26, 1978
- Sumitomo Chemical Company, Limited
- Shunji Iwahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Highly moisture proof film and method of manufacturing the same
- Publication number 20070134507
- Publication date Jun 14, 2007
- Masahiro Yamasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Stretched laminate film and method of producing the same
- Publication number 20070042208
- Publication date Feb 22, 2007
- Yasushi Ogino
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Apparatus and method for producing a thermoplastic resin continuous...
- Publication number 20040154734
- Publication date Aug 12, 2004
- Sumitomo Chemical Company, Limited
- Katsumi Akada
- B32 - LAYERED PRODUCTS