Yutaka Koma

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Axle bearing system
- Patent number 8,770,848
- Issue date Jul 8, 2014
- JTEKT Corporation
- Yutaka Koma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Inner ring of wheel bearing device, manufacturing method therefor,...
- Patent number 8,657,502
- Issue date Feb 25, 2014
- JTEKT Corporation
- Shigeaki Furusawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Bearing apparatus for axle
- Patent number 8,167,500
- Issue date May 1, 2012
- JTEKT Corporation
- Keiichi Furukawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Bearing apparatus for axle and method of manufacturing the same
- Patent number 8,167,498
- Issue date May 1, 2012
- JTEKT Corporation
- Yutaka Koma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axle bearing assembly
- Patent number 8,033,735
- Issue date Oct 11, 2011
- JTEKT Corporation
- Keiichi Furukawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Polishing tool and polishing method and apparatus using same
- Patent number 7,736,215
- Issue date Jun 15, 2010
- Disco Corporation
- Sinnosuke Sekiya
- B24 - GRINDING POLISHING
Information Patent Grant
Seal assembly for hub flange and slinger
- Patent number 7,708,353
- Issue date May 4, 2010
- JTEKT Corporation
- Shigeru Inoue
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Semiconductor wafer turning process
- Patent number 6,511,895
- Issue date Jan 28, 2003
- Disco Corporation
- Yutaka Koma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flattening machine
- Patent number 6,343,980
- Issue date Feb 5, 2002
- Supersilicon Crystal Research Institute Corporation
- Kohzo Abe
- B24 - GRINDING POLISHING
Information Patent Grant
Semiconductor wafer grinding apparatus
- Patent number 6,159,071
- Issue date Dec 12, 2000
- Disco Corporation
- Yutaka Koma
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
ROLLING BEARING
- Publication number 20150316103
- Publication date Nov 5, 2015
- JTEKT CORPORATION
- Shigeru INOUE
- B60 - VEHICLES IN GENERAL
Information Patent Application
INNER RING OF WHEEL BEARING DEVICE, MANUFACTURING METHOD THEREFOR,...
- Publication number 20110158571
- Publication date Jun 30, 2011
- JTEKT Corporation
- Shigeaki FURUSAWA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
AXLE BEARING SYSTEM
- Publication number 20110129176
- Publication date Jun 2, 2011
- Yutaka Koma
- B60 - VEHICLES IN GENERAL
Information Patent Application
Axle bearing apparatus
- Publication number 20100109424
- Publication date May 6, 2010
- JTEKT Corporation
- Shigeru Inoue
- B60 - VEHICLES IN GENERAL
Information Patent Application
Bearing apparatus for axle
- Publication number 20090220182
- Publication date Sep 3, 2009
- JTEKT Corporation
- Keiichi Furukawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Axle bearing assembly
- Publication number 20090034894
- Publication date Feb 5, 2009
- JTEKT Corporation
- Keiichi Furukawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Bearing apparatus for axle and method of manufacturing the same
- Publication number 20080219608
- Publication date Sep 11, 2008
- JTEKT Corporation
- Yutaka Koma
- B60 - VEHICLES IN GENERAL
Information Patent Application
Axle bearing apparatus
- Publication number 20080174170
- Publication date Jul 24, 2008
- JTEKT Corporation
- Shigeru Inoue
- B60 - VEHICLES IN GENERAL
Information Patent Application
Polishing tool and polishing method and apparatus using same
- Publication number 20080085662
- Publication date Apr 10, 2008
- Sinnosuke Sekiya
- B24 - GRINDING POLISHING
Information Patent Application
Axle bearing apparatus and method of producing hub shaft for drivin...
- Publication number 20080036290
- Publication date Feb 14, 2008
- JTEKT Corporation
- Shigeru Inoue
- B60 - VEHICLES IN GENERAL
Information Patent Application
Laser beam processing machine
- Publication number 20040226927
- Publication date Nov 18, 2004
- Hiroshi Morikazu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Semiconductor wafer processing apparatus
- Publication number 20030082914
- Publication date May 1, 2003
- Yutaka Koma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Grinding-and-etching system for plate-like objects
- Publication number 20030075523
- Publication date Apr 24, 2003
- Yutaka Koma
- B24 - GRINDING POLISHING
Information Patent Application
Polishing tool and polishing method and apparatus using same
- Publication number 20020173244
- Publication date Nov 21, 2002
- Sinnosuke Sekiya
- B24 - GRINDING POLISHING
Information Patent Application
Semiconductor wafer processing apparatus
- Publication number 20010021571
- Publication date Sep 13, 2001
- Yutaka Koma
- H01 - BASIC ELECTRIC ELEMENTS

Yutaka Koma

Person

Patents Grantslast 30 patents

Axle bearing system

Inner ring of wheel bearing device, manufacturing method therefor,...

Bearing apparatus for axle

Bearing apparatus for axle and method of manufacturing the same

Axle bearing assembly

Polishing tool and polishing method and apparatus using same

Seal assembly for hub flange and slinger

Semiconductor wafer turning process

Flattening machine

Semiconductor wafer grinding apparatus

Patents Applicationslast 30 patents

ROLLING BEARING

INNER RING OF WHEEL BEARING DEVICE, MANUFACTURING METHOD THEREFOR,...

AXLE BEARING SYSTEM

Axle bearing apparatus

Bearing apparatus for axle

Axle bearing assembly

Bearing apparatus for axle and method of manufacturing the same

Axle bearing apparatus

Polishing tool and polishing method and apparatus using same

Axle bearing apparatus and method of producing hub shaft for drivin...

Laser beam processing machine

Semiconductor wafer processing apparatus

Grinding-and-etching system for plate-like objects

Polishing tool and polishing method and apparatus using same

Semiconductor wafer processing apparatus