Kaori Tsubouchi

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Ibaraki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical member and optical product provided therewith
- Patent number 6,885,415
- Issue date Apr 26, 2005
- Sumitomo Chemical Company, Limited
- Ryuma Kuroda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Foamed thermoplastic resin sheet and manufacturing method of the same
- Patent number 6,815,047
- Issue date Nov 9, 2004
- Sumitomo Chemical Company, Limited
- Takeo Kitayama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Manufacturing device of foamed thermoplastic resin sheet
- Patent number 6,520,759
- Issue date Feb 18, 2003
- Sumitomo Chemical Company, Limited
- Takeo Kitayama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polypropylene-based foamed sheet
- Patent number 6,124,025
- Issue date Sep 26, 2000
- Sumitomo Chemical Company, Limited
- Takeo Kitayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Optical member and optical product having the same
- Publication number 20030179460
- Publication date Sep 25, 2003
- Ryuma Kuroda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MANUFACTURING DEVICE OF FOAMED THERMOPLASTIC RESIGN SHEET
- Publication number 20020048614
- Publication date Apr 25, 2002
- TAKEO KITAYAMA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL