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Naohiro Jotaki
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Fukushima, JP
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last 30 patents
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Patent Grant
Sealing apparatus
Patent number
8,985,591
Issue date
Mar 24, 2015
NOK Corporation
Naohiro Jotaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Seal ring
Patent number
7,341,256
Issue date
Mar 11, 2008
NOK Corporation
Shinya Nakaoka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SEALING APPARATUS
Publication number
20120319359
Publication date
Dec 20, 2012
NOK Corporation
Naohiro Jotaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Seal ring
Publication number
20060038355
Publication date
Feb 23, 2006
Shinya Nakaoka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...