Yasunari Abo

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Kitakatsuragi-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller bearing, transmission using the same and differential gear
- Patent number 6,893,372
- Issue date May 17, 2005
- Koyo Seiko Co., Ltd.
- Hiroki Matsuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Roller bearing
- Patent number 6,817,768
- Issue date Nov 16, 2004
- Koyo Seiko Co., Ltd.
- Hiroki Matsuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Roller bearing having streaked grinding trail on roller end face
- Patent number 6,789,949
- Issue date Sep 14, 2004
- Koyo Seiko Co., Ltd.
- Akiyuki Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Roller bearing, transmission using the same and differential gear
- Publication number 20030232681
- Publication date Dec 18, 2003
- Koyo Seiko Co., Ltd.
- Hiroki Matsuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Roller bearing
- Publication number 20030198420
- Publication date Oct 23, 2003
- Hiroki Matsuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Roller bearing having streaked grinding trail on roller end face
- Publication number 20020181820
- Publication date Dec 5, 2002
- Koyo Seiko Co., Ltd.
- Akiyuki Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...