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Masatsugu Maejima
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Tokyo, JP
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last 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
Aluminum conductor of low audible noise transmission
Patent number
4,759,805
Issue date
Jul 26, 1988
Fujikura Cable Works Ltd.
Kohichi Saruwatari
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Process of treating a nodic oxide film, printed wiring board and pr...
Patent number
4,483,751
Issue date
Nov 20, 1984
Fujikura Cable Works, Ltd.
Seizo Murayama
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Information
Patent Grant
Method for surface treatment of anodic oxide film
Patent number
4,230,539
Issue date
Oct 28, 1980
Fujikura Cable Works, Ltd.
Kohichi Saruwatari
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR