Katsuhiko Ohta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive and servo-control method therefor
- Patent number 8,553,348
- Issue date Oct 8, 2013
- HGST Netherlands B.V.
- Isao Yoneda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device and ramp used therefor
- Patent number 7,986,496
- Issue date Jul 26, 2011
- Hitachi Global Storage Technologies, Netherlands B.V.
- Katsuhiko Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device and disk drive
- Patent number 7,830,639
- Issue date Nov 9, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Takaaki Deguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RAMP SUPPORT FOR A MAGNETIC STORAGE DEVICE
- Publication number 20240386910
- Publication date Nov 21, 2024
- Western Digital Technologies, Inc.
- Katsuhiko Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE AND SERVO-CONTROL METHOD THEREFOR
- Publication number 20100328810
- Publication date Dec 30, 2010
- Isao Yoneda
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive device and ramp used therefor
- Publication number 20080204925
- Publication date Aug 28, 2008
- Katsuhiko Ohta
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device and disk drive
- Publication number 20070206330
- Publication date Sep 6, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Takaaki Deguchi
- G11 - INFORMATION STORAGE