Yoshihisa Sugawa

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of impregnating substrate and impregnated substrate
- Patent number 6,143,369
- Issue date Nov 7, 2000
- Matsushita Electric Works, Ltd.
- Yoshihisa Sugawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Addition type imide resin prepolymer, manufacturing method thereof,...
- Patent number 5,136,015
- Issue date Aug 4, 1992
- Matsushita Electric Works, Ltd.
- Tatsuo Yonemoto
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyimide prepolymer composition from unsaturated bisimide and diam...
- Patent number 4,680,377
- Issue date Jul 14, 1987
- Matsushita Electric Works, Ltd.
- Masahiro Matsumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...