Hitoshi Ogawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data communication method and communication apparatus
- Patent number 8,559,424
- Issue date Oct 15, 2013
- Fujitsu Semiconductor Limited
- Hitoshi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transfer method
- Patent number 8,095,703
- Issue date Jan 10, 2012
- Fujitsu Semiconductor Limited
- Yasushi Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for optimizing of communication signal
- Patent number 8,082,380
- Issue date Dec 20, 2011
- Fujitsu Semiconductor Limited
- Hideaki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Write/read apparatus to control overwriting
- Patent number 7,558,931
- Issue date Jul 7, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiteru Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and method of generating signal representing head
- Patent number 7,430,085
- Issue date Sep 30, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus and method of mounting same
- Patent number 7,227,712
- Issue date Jun 5, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing apparatus
- Patent number 7,149,930
- Issue date Dec 12, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and method of generating signal representing head
- Patent number 7,139,143
- Issue date Nov 21, 2006
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for error correction
- Patent number RE39253
- Issue date Aug 29, 2006
- Hitachi, Ltd.
- Yukari Katayama
- 714 - Error detection/correction and fault detection/recovery
Information Patent Grant
System for controlling host access to a storage device based on phy...
- Patent number 7,073,037
- Issue date Jul 4, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Atsushi Okuyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk apparatus
- Patent number 6,954,876
- Issue date Oct 11, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus and method of mounting same
- Patent number 6,856,482
- Issue date Feb 15, 2005
- Hitachi, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and method of generating signal representing head
- Patent number 6,563,656
- Issue date May 13, 2003
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device and method of generating signal representing head
- Patent number 6,445,522
- Issue date Sep 3, 2002
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording and reproducing disk-type record...
- Patent number 6,400,523
- Issue date Jun 4, 2002
- Hitachi, Ltd.
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk storage device having identification information for protectin...
- Patent number 6,317,281
- Issue date Nov 13, 2001
- Hitachi, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording and reproducing disk-type record...
- Patent number 6,236,528
- Issue date May 22, 2001
- Hitachi, Ltd.
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of mounting disk drive apparatus
- Patent number 6,219,909
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing apparatus and a disk control apparatus, with head...
- Patent number 6,172,828
- Issue date Jan 9, 2001
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording and reproducing disk-type record...
- Patent number 6,108,158
- Issue date Aug 22, 2000
- Hitachi, Ltd.
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
System for fast data transfer utilizing separation of transfer data...
- Patent number 5,915,127
- Issue date Jun 22, 1999
- Fujitsu Limited
- Hitoshi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data bus controller having a level setting circuit
- Patent number 5,841,995
- Issue date Nov 24, 1998
- Fujitsu Limited
- Hitoshi Ogawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for error correction
- Patent number 5,771,248
- Issue date Jun 23, 1998
- Hitachi, Ltd.
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and apparatus for recording on and reproducing from disk-...
- Patent number 5,715,105
- Issue date Feb 3, 1998
- Hitachi, Ltd.
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Buffing apparatus suitable to buff thin plate work and controlling...
- Patent number 5,501,629
- Issue date Mar 26, 1996
- Fujitsu Limited
- Eishirou Kawana
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
DATA COMMUNICATION METHOD AND COMMUNICATION APPARATUS
- Publication number 20100278175
- Publication date Nov 4, 2010
- FUJITSU SEMICONDUCTOR LIMITED
- Hitoshi OGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transfer method
- Publication number 20100023656
- Publication date Jan 28, 2010
- Fujitsu Microelectronics Limited
- Yasushi Sakai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR OPTIMIZING OF COMMUNICATION SIGNAL
- Publication number 20090085634
- Publication date Apr 2, 2009
- Fujitsu Microelectronics Limited
- Hideaki WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Disk device and method of generating signal representing head
- Publication number 20060285238
- Publication date Dec 21, 2006
- Motoyasu Tsunoda
- 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
Information Patent Application
Write/read apparatus to control overwriting
- Publication number 20060069845
- Publication date Mar 30, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiteru Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Read/write device, and format management method of read/write device
- Publication number 20060047898
- Publication date Mar 2, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshiteru Ishida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk drive apparatus and method of mounting same
- Publication number 20050111130
- Publication date May 26, 2005
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording/reproducing system
- Publication number 20040030650
- Publication date Feb 12, 2004
- Atsushi Okuyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Recording/reproducing apparatus
- Publication number 20030237024
- Publication date Dec 25, 2003
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device and method of generating signal re
- Publication number 20030179479
- Publication date Sep 25, 2003
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device and method of generating signal representing head
- Publication number 20020196570
- Publication date Dec 26, 2002
- Hitachi, Ltd.
- Motoyasu Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Application
Disk apparatus
- Publication number 20020071193
- Publication date Jun 13, 2002
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for recording and reproducing disk-type record...
- Publication number 20020021517
- Publication date Feb 21, 2002
- Yukari Katayama
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus and method of mounting same
- Publication number 20010019462
- Publication date Sep 6, 2001
- Hitoshi Ogawa
- G11 - INFORMATION STORAGE

Hitoshi Ogawa

Person

Patents Grantslast 30 patents

Data communication method and communication apparatus

Data transfer method

Method for optimizing of communication signal

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

Write/read apparatus to control overwriting

Disk device and method of generating signal representing head

Disk drive apparatus and method of mounting same

Recording/reproducing apparatus

Disk device and method of generating signal representing head

Apparatus and method for error correction

System for controlling host access to a storage device based on phy...

Disk apparatus

Disk drive apparatus and method of mounting same

Disk device and method of generating signal representing head

Disk device and method of generating signal representing head

Method and apparatus for recording and reproducing disk-type record...

Disk storage device having identification information for protectin...

Method and apparatus for recording and reproducing disk-type record...

Method of mounting disk drive apparatus

Signal processing apparatus and a disk control apparatus, with head...

Method and apparatus for recording and reproducing disk-type record...

System for fast data transfer utilizing separation of transfer data...

Data bus controller having a level setting circuit

Apparatus and method for error correction

Method of and apparatus for recording on and reproducing from disk-...

Buffing apparatus suitable to buff thin plate work and controlling...

Patents Applicationslast 30 patents

DATA COMMUNICATION METHOD AND COMMUNICATION APPARATUS

Data transfer method

METHOD FOR OPTIMIZING OF COMMUNICATION SIGNAL

Disk device and method of generating signal representing head

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

Write/read apparatus to control overwriting

Read/write device, and format management method of read/write device

Disk drive apparatus and method of mounting same

Information recording/reproducing system

Recording/reproducing apparatus

Disk device and method of generating signal re

Disk device and method of generating signal representing head

Disk apparatus

Method and apparatus for recording and reproducing disk-type record...

Disk drive apparatus and method of mounting same