Hiroyuki Tsuchinaga

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for formatting data sectors on magnetic disk, and magnetic d...
- Patent number 7,612,960
- Issue date Nov 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoki Satoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk drive with enhanced storage capacity increase ratio
- Patent number 7,486,460
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration of reader/writer offset in hard disk drive using shingl...
- Patent number 7,440,221
- Issue date Oct 21, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus
- Patent number 7,417,821
- Issue date Aug 26, 2008
- Hitachi Global Storage Technnologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
disk drive with side erase control
- Patent number 7,372,656
- Issue date May 13, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical data recording/reproducing method
- Patent number 7,227,818
- Issue date Jun 5, 2007
- Hitachi, Ltd.
- Tsuyoshi Toda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording and reading an optical disk
- Patent number 5,848,045
- Issue date Dec 8, 1998
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus having optimized focus shift mechanism control
- Patent number 5,828,636
- Issue date Oct 27, 1998
- Hitachi, Ltd.
- Kiyoshi Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus for recording information using a light inte...
- Patent number 5,790,482
- Issue date Aug 4, 1998
- Hitachi, Ltd.
- Hideki Saga
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and recording and reading method for an opti...
- Patent number 5,703,855
- Issue date Dec 30, 1997
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Correcting non-linear distortions of optical information with a non...
- Patent number 5,572,503
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for controlling the farm of a magnetic domain of a magneto-o...
- Patent number 5,513,165
- Issue date Apr 30, 1996
- Hitachi, Ltd.
- Hiroshi Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Information reproducing apparatus with a DC level correcting capabi...
- Patent number 5,497,361
- Issue date Mar 5, 1996
- Hitachi, Ltd.
- Seiichi Mita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording system using recording waveform having a...
- Patent number 5,463,600
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Light modulation method for forming a mark in magneto-optical recor...
- Patent number 5,457,666
- Issue date Oct 10, 1995
- Hitachi, Ltd.
- Tsuyoshi Toda
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording/playback apparatus and signal processing method
- Patent number 5,448,544
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape recorder with means for sampling and holding focusing and trac...
- Patent number 5,090,005
- Issue date Feb 18, 1992
- Hitachi, Ltd.
- Fumio Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tape apparatus with a tracking control mechanism and/or a f...
- Patent number 4,970,707
- Issue date Nov 13, 1990
- Hitachi, Ltd.
- Fumio Hara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Information recording apparatus
- Publication number 20070223132
- Publication date Sep 27, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Application
Calibration of reader/writer offset in hard disk drive using shingl...
- Publication number 20070030588
- Publication date Feb 8, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive with side erase control
- Publication number 20060232888
- Publication date Oct 19, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive with enhanced storage capacity increase ratio
- Publication number 20060232874
- Publication date Oct 19, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroyuki Tsuchinaga
- G11 - INFORMATION STORAGE
Information Patent Application
Method for formatting data sectors on magnetic disk, and magnetic d...
- Publication number 20060114588
- Publication date Jun 1, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Naoki Satoh
- G06 - COMPUTING CALCULATING COUNTING

Hiroyuki Tsuchinaga

Person

Patents Grantslast 30 patents

Method for formatting data sectors on magnetic disk, and magnetic d...

Disk drive with enhanced storage capacity increase ratio

Calibration of reader/writer offset in hard disk drive using shingl...

Information recording apparatus

disk drive with side erase control

Magneto-optical data recording/reproducing method

Method for recording and reading an optical disk

Optical disk apparatus having optimized focus shift mechanism control

Optical disk apparatus for recording information using a light inte...

Optical disk apparatus and recording and reading method for an opti...

Correcting non-linear distortions of optical information with a non...

Method for controlling the farm of a magnetic domain of a magneto-o...

Information reproducing apparatus with a DC level correcting capabi...

Magneto-optical recording system using recording waveform having a...

Light modulation method for forming a mark in magneto-optical recor...

Data recording/playback apparatus and signal processing method

Tape recorder with means for sampling and holding focusing and trac...

Optical tape apparatus with a tracking control mechanism and/or a f...

Patents Applicationslast 30 patents

Information recording apparatus

Calibration of reader/writer offset in hard disk drive using shingl...

Disk drive with side erase control

Disk drive with enhanced storage capacity increase ratio

Method for formatting data sectors on magnetic disk, and magnetic d...