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Kenkichi Matsubara
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Window stay and window construction equipped with window stay
Patent number
6,434,887
Issue date
Aug 20, 2002
Nakanishi Engineering Co., Ltd.
Yoshikazu Nakanishi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Window
Patent number
5,383,303
Issue date
Jan 24, 1995
Nakanishi Engineering Co., Ltd.
Yoshikazu Nakanishi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
Window stay and window construction equipped with window stay
Publication number
20010013202
Publication date
Aug 16, 2001
Yoshikazu Nakanishi
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES