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Tatekazu Hayashida
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid leakage sensor and liquid leakage detecting system
Patent number
7,158,039
Issue date
Jan 2, 2007
Tsuden Kabushiki Kaisha
Tatekazu Hayashida
G01 - MEASURING TESTING
Information
Patent Grant
Liquid leakage sensor, paper for detecting liquid leakage, and hold...
Patent number
6,484,564
Issue date
Nov 26, 2002
Tsuden Kabushiki Kaisha
Tatekazu Hayashida
G01 - MEASURING TESTING
Information
Patent Grant
Door safety system
Patent number
6,304,178
Issue date
Oct 16, 2001
Kabushiki Kaisha Tsuden
Tatekazu Hayashida
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Energy-supplying, signal-transmitting and/or material-supplying met...
Patent number
6,286,740
Issue date
Sep 11, 2001
Tsuden Kabushiki Kaisha
Tatekazu Hayashida
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply device for controlling automatic door
Patent number
5,594,316
Issue date
Jan 14, 1997
Tsuden Kabushiki Kaisha
Tatekazu Hayashida
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Electronic car bumper
Patent number
5,394,292
Issue date
Feb 28, 1995
Tsuden Kabushiki Kaisha
Tatekazu Hayashida
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Liquid leakage sensor and liquid leakage detecting system
Publication number
20050162280
Publication date
Jul 28, 2005
Tatekazu Hayashida
G01 - MEASURING TESTING