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Nobuyoshi YAMASHITA
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing shaft member for hydrodynamic bearing apparatus
Patent number
9,003,664
Issue date
Apr 14, 2015
NTN Corporation
Nobuyoshi Yamashita
B24 - GRINDING POLISHING
Information
Patent Grant
Fluid dynamic bearing device
Patent number
8,931,175
Issue date
Jan 13, 2015
NTN CORPORATION
Natsuhiko Mori
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for producing a housing for a fluid bearing apparatus
Patent number
8,756,816
Issue date
Jun 24, 2014
NTN CORPORATION
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Fluid bearing apparatus
Patent number
8,746,978
Issue date
Jun 10, 2014
NTN CORPORATION
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Shaft member for fluid lubrication bearing apparatuses and a method...
Patent number
8,678,653
Issue date
Mar 25, 2014
NTN Corporation
Nobuyoshi Yamashita
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for manufacturing hydro dynamic bearing device
Patent number
8,578,611
Issue date
Nov 12, 2013
NTN Corporation
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for producing a housing for a fluid bearing apparatus
Patent number
8,499,456
Issue date
Aug 6, 2013
NTN Corporation
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Shaft member for fluid lubrication bearing apparatuses and a method...
Patent number
8,387,246
Issue date
Mar 5, 2013
NTN Corporation
Nobuyoshi Yamashita
B24 - GRINDING POLISHING
Information
Patent Grant
Fluid dynamic bearing device and manufacturing method therefor
Patent number
8,120,220
Issue date
Feb 21, 2012
NTN CORPORATION
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for manufacturing hydro dynamic bearing device
Patent number
8,020,301
Issue date
Sep 20, 2011
NTN Corporation
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for manufacturing hydro dynamic bearing device method
Patent number
7,941,926
Issue date
May 17, 2011
NTN Corporation
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for manufacturing hydro dynamic bearing device
Patent number
7,600,320
Issue date
Oct 13, 2009
NTN Corporation
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dynamic bearing device and method for making same
Patent number
7,146,733
Issue date
Dec 12, 2006
NTN Corporation
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for manufacturing hydro dynamic bearing device
Patent number
7,040,019
Issue date
May 9, 2006
NTN Corporation
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydrodynamic bearing device
Patent number
7,008,112
Issue date
Mar 7, 2006
NTN Corporation
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dynamic bearing device and method for making same
Patent number
6,921,208
Issue date
Jul 26, 2005
NTN Corporation
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Tire wheel bearing apparatus
Patent number
6,729,769
Issue date
May 4, 2004
NTN Corporation
Koji Sahashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Tire wheel bearing apparatus
Patent number
6,637,944
Issue date
Oct 28, 2003
NTN Corporation
Koji Sahashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Wheel bearing apparatus
Patent number
6,491,440
Issue date
Dec 10, 2002
NTN Corporation
Koji Sahashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Axle bearing assembly and method of measuring bearing clearances
Patent number
5,718,049
Issue date
Feb 17, 1998
NTN Corporation
Hisashi Ohtsuki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for producing axle bearing assembly having preset negative b...
Patent number
5,706,580
Issue date
Jan 13, 1998
NTN Corporation
Hisashi Ohtsuki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Axle bearing assembly and method of measuring bearing clearances
Patent number
5,620,263
Issue date
Apr 15, 1997
NTN Corporation
Hisashi Ohtsuki
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC CORE PART, MAGNETIC ELEMENT, AND METHOD FOR PRODUCING MAGN...
Publication number
20170098499
Publication date
Apr 6, 2017
NTN Corporation
Natsuhiko MORI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING A HOUSING FOR A FLUID BEARING APPARATUS
Publication number
20130283619
Publication date
Oct 31, 2013
NTN Corporation
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
FLUID DYNAMIC BEARING DEVICE
Publication number
20120186983
Publication date
Jul 26, 2012
NTN Corporation
Natsuhiko MORI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HOUSING FOR FLUID LUBRICATION BEARING APPARATUSES, A HOUSING FOR HY...
Publication number
20110296896
Publication date
Dec 8, 2011
NTN Corporation
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
APPARATUS FOR MANUFACTURING HYDRO DYNAMIC BEARING DEVICE
Publication number
20110277291
Publication date
Nov 17, 2011
NTN CORPORATION
MASAYUKI KAIMI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SHAFT MEMBER FOR HYDRODYNAMIC BEARING APPARATUSES AND A METHOD FOR...
Publication number
20110232093
Publication date
Sep 29, 2011
Nobuyoshi YAMASHITA
B24 - GRINDING POLISHING
Information
Patent Application
SHAFT MEMBER FOR FLUID LUBRICATION BEARING APPARATUSES AND A METHOD...
Publication number
20110192210
Publication date
Aug 11, 2011
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SHAFT MEMBER FOR FLUID LUBRICATION BEARING APPARATUSES AND A METHOD...
Publication number
20100266225
Publication date
Oct 21, 2010
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
FLUID DYNAMIC BEARING DEVICE AND MANUFACTURING METHOD THEREFOR
Publication number
20100231074
Publication date
Sep 16, 2010
NTN CORPORATION
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
APPARATUS FOR MANUFACTURING HYDRO DYNAMIC BEARING DEVICE METHOD
Publication number
20090265922
Publication date
Oct 29, 2009
NTN CORPORATION
MASAYUKI KAIMI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HOUSING FOR FLUID LUBRICATION BEARING APPARATUSES, A HOUSING FOR HY...
Publication number
20090208153
Publication date
Aug 20, 2009
NTN CORPORATION
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Shaft Member for Fluid Lubrication Bearing Apparatuses and a Method...
Publication number
20080292228
Publication date
Nov 27, 2008
Nobuyoshi Yamashita
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Fluid Dynamic Bearing Device
Publication number
20080212908
Publication date
Sep 4, 2008
NTN CORPORATION
Natsuhiko Mori
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Shaft Member For Hydrodynamic Bearing Apparatuses And A Method For...
Publication number
20070278881
Publication date
Dec 6, 2007
Nobuyoshi Yamashita
B24 - GRINDING POLISHING
Information
Patent Application
Method and apparatus for manufacturing hydro dynamic bearing device
Publication number
20060150414
Publication date
Jul 13, 2006
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method and apparatus for manufacturing hydro dynamic bearing device
Publication number
20060150415
Publication date
Jul 13, 2006
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Dynamic bearing device and method for making same
Publication number
20050044714
Publication date
Mar 3, 2005
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Hydrodynamic bearing device
Publication number
20040013329
Publication date
Jan 22, 2004
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method and apparatus for manufacturing hydro dynamic bearing device
Publication number
20030221317
Publication date
Dec 4, 2003
Masayuki Kaimi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Dynamic bearing device and method for making same
Publication number
20030169952
Publication date
Sep 11, 2003
Nobuyoshi Yamashita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Tire wheel bearing apparatus
Publication number
20030048967
Publication date
Mar 13, 2003
NTN Corporation
Koji Sahashi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Tire wheel bearing apparatus
Publication number
20030039423
Publication date
Feb 27, 2003
NTN Corporation
Koji Sahashi
B60 - VEHICLES IN GENERAL