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Kazuyuki Ishigaya
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Sanbu-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Hinge device and cell phone
Patent number
6,990,711
Issue date
Jan 31, 2006
Sugatsune Kogyo Co., Ltd.
Shinichiro Koshikawa
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
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Patent Application
ONE-WAY DAMPING HINGE
Publication number
20230279710
Publication date
Sep 7, 2023
Sugatsune Kogyo Co., Ltd.
Kazuyuki ISHIGAYA
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Hinge device and cell phone
Publication number
20030056325
Publication date
Mar 27, 2003
Shinichiro Koshikawa
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES