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Toshio Hayakawa
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Nagaoka Niigata, JP
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Patents Grants
last 30 patents
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Patent Grant
Liquid level sensor
Patent number
6,972,685
Issue date
Dec 6, 2005
Nippon Seiki Co., Ltd.
Tetsuya Sato
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
SHIFT POSITION DETECTION DEVICE
Publication number
20160041003
Publication date
Feb 11, 2016
NIPPON SEIKI CO., LTD.
Toshio HAYAKAWA
G01 - MEASURING TESTING
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Patent Application
Liquid level sensor
Publication number
20040075564
Publication date
Apr 22, 2004
Tetsuya Sato
G01 - MEASURING TESTING