Kenichiro Naito

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Patents Grantslast 30 patents

Information Patent Grant
Synthetic resin retainer and ball bearing using such synthetic resi...
- Patent number 7,703,986
- Issue date Apr 27, 2010
- NTN Corporation
- Kenichiro Naito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electroconductive grease-filled bearing
- Patent number 6,905,248
- Issue date Jun 14, 2005
- NTN Corporation
- Chikara Katagiri
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Synthetic resin retainer and ball bearing using such synthetic resi...
- Publication number 20070230849
- Publication date Oct 4, 2007
- NTN CORPORATION
- Kenichiro Naito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Resin-made ball retainer for a rolling bearing
- Publication number 20040141672
- Publication date Jul 22, 2004
- NTN Corporation
- Kenichiro Naito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Electroconductive grease-filled bearing
- Publication number 20040081380
- Publication date Apr 29, 2004
- Chikara Katagiri
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...