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Chuhei Funatsu
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Yokahama, JP
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last 30 patents
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Patent Grant
System of an aircraft collision avoidance system for suppressing us...
Patent number
5,202,684
Issue date
Apr 13, 1993
Toyo Communication Equipment Co., Ltd.
Chuhei Funatsu
G08 - SIGNALLING
Information
Patent Grant
Device of suppressing incorrect alarms for use in a collision avoid...
Patent number
5,029,092
Issue date
Jul 2, 1991
Toyo Communication Equipment Co., Ltd.
Chuhei Funatsu
G01 - MEASURING TESTING
Information
Patent Grant
Alarm suppressing system in aircraft collision avoidance system
Patent number
4,978,945
Issue date
Dec 18, 1990
Toyo Communication Equipment Co.
Chuhei Funatsu
G08 - SIGNALLING
Information
Patent Grant
Indicating system for warning airspace or threatening aircraft in a...
Patent number
4,853,700
Issue date
Aug 1, 1989
Toyo Communication Equipment Co., Ltd.
Chuhei Funatsu
G08 - SIGNALLING
Information
Patent Grant
Collision avoidance system for aircraft
Patent number
RE32368
Issue date
Mar 10, 1987
Toyo Tsushinki K.K.
Chuhei Funatsu
342 - Communications: directive radio wave systems and devices
Information
Patent Grant
Surveillance system for collision avoidance of aircrafts using rada...
Patent number
4,196,434
Issue date
Apr 1, 1980
Toyo Tsushinki Kabushiki Kaisha
Chuhei Funatsu
G01 - MEASURING TESTING
Information
Patent Grant
Collision avoidance system of aircraft
Patent number
4,167,006
Issue date
Sep 4, 1979
Toyo Tsushinki Kabushiki Kaisha
Chuhei Funatsu
G01 - MEASURING TESTING
Information
Patent Grant
Collision avoidance system for aircrafts
Patent number
4,107,674
Issue date
Aug 15, 1978
Toyo Tsushinki Kabushiki Jaka Toyo Communication Equipment Co. Ltd.
Chuhei Funatsu
G01 - MEASURING TESTING