Sumio Shimizu

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bearing apparatus having concentric inner and outer roller bearings...
- Patent number 8,630,062
- Issue date Jan 14, 2014
- Seiko Instruments Inc.
- Sumio Shimizu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
BEARING APPARATUS AND INFORMATION RECORDING/REPRODUCTION APPARATUS
- Publication number 20130057984
- Publication date Mar 7, 2013
- Sumio SHIMIZU
- G11 - INFORMATION STORAGE
Information Patent Application
Grease compositions for a hard disk drive and a process for product...
- Publication number 20020147119
- Publication date Oct 10, 2002
- Sumio Shimizu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...