Rikuhiro Hanai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Patent number 7,882,512
- Issue date Feb 1, 2011
- Sony Corporation
- Rikuhiro Hanai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Patent number 7,696,655
- Issue date Apr 13, 2010
- Sony Corporation
- Yuji Shishido
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC BALANCING APPARATUS, ROTATING APPARATUS, DISC DRIVE APPAR...
- Publication number 20080095022
- Publication date Apr 24, 2008
- SONY CORPORATION
- Rikuhiro Hanai
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic balancing apparatus, rotating apparatus, disc drive appar...
- Publication number 20070150910
- Publication date Jun 28, 2007
- SONY CORPORATION
- Yuji Shishido
- G11 - INFORMATION STORAGE