Hirofumi TAKAYAMA

Follow

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 8,687,316
- Issue date Apr 1, 2014
- Nidec Corporation
- Tsuchitsugu Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Base unit, spindle motor, and disk drive apparatus
- Patent number 8,675,305
- Issue date Mar 18, 2014
- Nidec Corporation
- Tsuchitsugu Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Production method of fluid dynamic-pressure bearing in spindle motor
- Patent number 7,908,737
- Issue date Mar 22, 2011
- Nidec Corporation
- Hosei Kudou
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
BASE UNIT, SPINDLE MOTOR, AND DISK DRIVE APPARATUS
- Publication number 20130271871
- Publication date Oct 17, 2013
- NIDEC CORPORATION
- Tsuchitsugu WATANABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20130271870
- Publication date Oct 17, 2013
- NIDEC CORPORATION
- Tsuchitsugu WATANABE
- G11 - INFORMATION STORAGE
Information Patent Application
PRODUCTION METHOD OF FLUID DYNAMIC-PRESSURE BEARING AND SPINDLE MOT...
- Publication number 20080265703
- Publication date Oct 30, 2008
- NIDEC CORPORATION
- Hosei KUDOU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...