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Naoki Matsuyama
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Fujisawa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Rolling bearing and spindle apparatus for machine tool
Patent number
RE48843
Issue date
Dec 7, 2021
NSK Ltd.
Naoki Matsuyama
Information
Patent Grant
Rolling bearing, grease supply system, spindle unit, grease supply...
Patent number
8,753,016
Issue date
Jun 17, 2014
NSK Ltd.
Naoki Matsuyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Rolling bearing and spindle device for machine tools
Patent number
7,267,488
Issue date
Sep 11, 2007
NSK Ltd.
Saburo Azumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for monitoring the operating conditions of rolling bearing
Patent number
7,071,834
Issue date
Jul 4, 2006
NSK Ltd.
Naoki Matsuyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Angular contact ball bearing and spindle device
Patent number
7,033,082
Issue date
Apr 25, 2006
NSK Ltd.
Kenji Yakura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rolling bearing and spindle device for machine tools
Patent number
6,869,223
Issue date
Mar 22, 2005
NSK Ltd.
Saburo Azumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Rolling bearing and spindle apparatus for machine tool
Patent number
6,742,934
Issue date
Jun 1, 2004
NSK Ltd.
Naoki Matsuyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bearing unit
Patent number
6,733,181
Issue date
May 11, 2004
NSK Ltd.
Yu Koiwa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Angular contact ball bearing and spindle device
Patent number
6,709,161
Issue date
Mar 23, 2004
NSK Ltd.
Kenji Yakura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Rolling bearing and spindle device for machine tools
Publication number
20070266821
Publication date
Nov 22, 2007
NSK Ltd
Saburo Azumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Rolling bearing, grease supply system, sprindle unit, grease supply...
Publication number
20060239598
Publication date
Oct 26, 2006
NSK Ltd.
Naoki Matsuyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Rolling bearing and spindle device for machine tools
Publication number
20050129342
Publication date
Jun 16, 2005
NSK Ltd
Saburo Azumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Angular contact ball bearing and spindle device
Publication number
20040146231
Publication date
Jul 29, 2004
NSK Ltd
Kenji Yakura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Rolling bearing and spindle device for machine tools
Publication number
20030113048
Publication date
Jun 19, 2003
NSK Ltd
Saburo Azumi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Device for monitoring the operating conditions of rolling bearing
Publication number
20030098691
Publication date
May 29, 2003
NSK Ltd
Naoki Matsuyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Angular contact ball bearing and spindle device
Publication number
20030026509
Publication date
Feb 6, 2003
NSK Ltd
Kenji Yakura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Bearing unit
Publication number
20020102040
Publication date
Aug 1, 2002
Yu Koiwa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Rolling bearing and spindle apparatus for machine tool
Publication number
20020097939
Publication date
Jul 25, 2002
NSK Ltd
Naoki Matsuyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...