Koichi Saruwatari

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Far-infrared radiator and method for producing method
- Patent number 7,276,293
- Issue date Oct 2, 2007
- Fujikura Ltd.
- Koichi Saruwatari
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Infrared radiation element and process of producing the same
- Patent number 5,336,341
- Issue date Aug 9, 1994
- Fujikura Ltd.
- Masatsugu Maejima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Diaphragm
- Patent number 4,726,443
- Issue date Feb 23, 1988
- Sony Corporation and Fujikura Ltd.
- Masana Ugaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of surface treatment of porous material
- Patent number 4,368,107
- Issue date Jan 11, 1983
- Fujikura Cable Works, Ltd.
- Masatsugu Maejima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR