Masayuki Kumakura

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing hard disc device with a printed wiring boar...
- Patent number 7,241,359
- Issue date Jul 10, 2007
- Sony Corporation
- Masayuki Kumakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Fire-retardant adhesive, fire-retardant adhesive film using the sam...
- Patent number 6,764,765
- Issue date Jul 20, 2004
- Sony Chemicals Corporation
- Yoshifumi Ueno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-retardant adhesives and circuit materials with the use of the...
- Patent number 6,753,476
- Issue date Jun 22, 2004
- Sony Chemicals Corporation
- Atsushi Kuniyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-retardant adhesive film and flat cable
- Patent number 6,333,095
- Issue date Dec 25, 2001
- Sony Chemicals Corp.
- Yoshifumi Ueno
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Adhesives and circuit materials using said adhesives
- Patent number 6,316,104
- Issue date Nov 13, 2001
- Sony Chemicals Corporation
- Masayuki Kumakura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing hard disc device with a printed wiring boar...
- Publication number 20060185785
- Publication date Aug 24, 2006
- Sony Chemicals Corp.
- Masayuki Kumakura
- B32 - LAYERED PRODUCTS
Information Patent Application
Insulating sheet, hard disk device and manufacturing method for ins...
- Publication number 20040071989
- Publication date Apr 15, 2004
- Sony Chemicals Corp.
- Masayuki Kumakura
- B32 - LAYERED PRODUCTS
Information Patent Application
Fire-retardant adhesive, fire-retardant adhesive film using the sam...
- Publication number 20010020537
- Publication date Sep 13, 2001
- Sony Chemical Corporation
- Yoshifumi Ueno
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...