Haruaki Otsuki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head positioning and driving device including heaters and...
- Patent number 8,717,714
- Issue date May 6, 2014
- Hitachi, Ltd.
- Haruaki Otsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for eliminating external disturbances in a dis...
- Patent number 5,402,400
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Yosuke Hamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and method of controlling the same
- Patent number 5,229,896
- Issue date Jul 20, 1993
- Hitachi, Ltd.
- Souichi Tohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk system with sub-actuators for fine head displacement
- Patent number 5,189,578
- Issue date Feb 23, 1993
- Hitachi, Ltd.
- Kenji Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Sheet feeding apparatus
- Patent number 4,430,606
- Issue date Feb 7, 1984
- Hitachi, Ltd.
- Haruaki Otsuki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Velocity feedback circuit
- Patent number 4,418,305
- Issue date Nov 29, 1983
- Hitachi, Ltd.
- Haruaki Otsuki
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC HEAD POSITIONING AND DRIVING DEVICE
- Publication number 20130314817
- Publication date Nov 28, 2013
- Hitachi, Ltd
- Haruaki Otsuki
- G11 - INFORMATION STORAGE