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Takashi Imai
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Otsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic door sensor and functionality expansion module for use in...
Patent number
8,878,687
Issue date
Nov 4, 2014
Optex Co., Ltd.
Masanao Shiraishi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Light beam sensor
Patent number
6,730,902
Issue date
May 4, 2004
Optex Co., Ltd.
Takashi Imai
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATIC DOOR SENSOR AND FUNCTIONALITY EXPANSION MODULE FOR USE IN...
Publication number
20130214930
Publication date
Aug 22, 2013
OPTEX CO., LTD.
Masanao Shiraishi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Sensor device for automatic door assembly
Publication number
20060162254
Publication date
Jul 27, 2006
OPTEX CO., LTD.
Takashi Imai
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Light beam sensor
Publication number
20020148953
Publication date
Oct 17, 2002
Takashi Imai
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES