Shinichi Toyooka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cooking instrument using a microwave oven for heating a primary coo...
- Patent number 5,107,087
- Issue date Apr 21, 1992
- Sumitomo Electric Industries, Ltd.
- Katsuya Yamada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Elastic roller for fixing and method of producing the same
- Patent number 4,844,953
- Issue date Jul 4, 1989
- Sumitomo Electric Industries, Ltd.
- Chiaki Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid membrane
- Patent number 4,734,112
- Issue date Mar 29, 1988
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid membrane
- Patent number 4,705,544
- Issue date Nov 10, 1987
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for manufacturing porous polytetrafluoroethylene material
- Patent number 4,671,754
- Issue date Jun 9, 1987
- Sumitomo Electric Industries, Ltd.
- Koichi Okita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly weather-proof high strength tri-axial woven membrane materials
- Patent number 4,346,139
- Issue date Aug 24, 1982
- Sumitomo Electric Industries, Ltd.
- Yoshitaka Osawa
- B32 - LAYERED PRODUCTS