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Masakazu Kato
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Omiya, JP
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last 30 patents
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Patent Grant
Control circuit for a fail-safe multi-axis light beam type sensor
Patent number
5,640,006
Issue date
Jun 17, 1997
The Nippon Signal Co., Ltd.
Hiroji Anzai
G01 - MEASURING TESTING
Information
Patent Grant
Airplane detection system
Patent number
5,508,697
Issue date
Apr 16, 1996
Nippon Signal Co., Ltd.
Masakazu Kato
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Fail-safe scan circuit and a multibeam sensor
Patent number
5,495,228
Issue date
Feb 27, 1996
The Nippon Signal Co., Ltd.
Koichi Futsuhara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Electromagnetically coupled fail-safe logic circuit
Patent number
5,442,303
Issue date
Aug 15, 1995
The Nippon Signal Co., Ltd.
Norihiro Asada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fail-safe scanning circuit and multi-axis light beam-type sensor
Patent number
5,432,337
Issue date
Jul 11, 1995
The Nippon Signal Co., Ltd.
Masakazu Kato
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Lamp failure detecting device
Patent number
5,105,124
Issue date
Apr 14, 1992
Nippon Signal Co., Ltd.
Koichi Futsuhara
G01 - MEASURING TESTING
Information
Patent Grant
Logic operation-oscillation circuit
Patent number
4,795,921
Issue date
Jan 3, 1989
The Nippon Signal Co., Ltd.
Masakazu Kato
H03 - BASIC ELECTRONIC CIRCUITRY