Ryutaro Horita

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

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 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
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
Magnetic disk storage apparatus
- Patent number 6,266,200
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Kenichi Hase
- 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
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,999,353
- Issue date Dec 7, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital information signal reproducing circuit and digital informat...
- Patent number 5,937,020
- Issue date Aug 10, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing delay circuit
- Patent number 5,878,097
- Issue date Mar 2, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
AD converter and magnetic recording/regenerating apparatus using th...
- Patent number 5,745,066
- Issue date Apr 28, 1998
- Hitachi, Ltd.
- Tsuguyoshi Hirooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing delay circuit
- Patent number 5,636,254
- Issue date Jun 3, 1997
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,633,766
- Issue date May 27, 1997
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Active filter control apparatus
- Patent number 5,572,163
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Hiroshi Kimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Disk recording apparatus with adaptive window adjusting
- Patent number 5,559,645
- Issue date Sep 24, 1996
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Ad converter and magnetic recording/regenerating apparatus using th...
- Patent number 5,557,274
- Issue date Sep 17, 1996
- Hitachi, Ltd.
- Tsuguyoshi Hirooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Sync data introduction method and system
- Patent number 5,475,715
- Issue date Dec 12, 1995
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk system and waveform equalizer therefor
- Patent number 5,463,504
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Hiroshi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,404,250
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit with an adjustable window
- Patent number 5,402,274
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit which performs phase synchronization
- Patent number 5,222,002
- Issue date Jun 22, 1993
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit
- Patent number 5,187,615
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Address mark generating method and its circuit in a data memory
- Patent number 5,062,011
- Issue date Oct 29, 1991
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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
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
Signal processing circuit free from erroneuos data and the informat...
- Publication number 20020003675
- Publication date Jan 10, 2002
- Hitachi, Ltd.
- Futoshi Tomiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing circuit free from erroneous data and the informat...
- Publication number 20010033444
- Publication date Oct 25, 2001
- Hitachi, Ltd.
- Futoshi Tomiyama
- G11 - INFORMATION STORAGE

Ryutaro Horita

Person

Patents Grantslast 30 patents

Disk device and method of generating signal representing head

Disk device and method of generating signal representing head

Disk device and method of generating signal representing head

Disk device and method of generating signal representing head

Magnetic disk storage apparatus

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

Magnetic disk storage apparatus with phase sync circuit having cont...

Digital information signal reproducing circuit and digital informat...

Signal processing delay circuit

AD converter and magnetic recording/regenerating apparatus using th...

Signal processing delay circuit

Magnetic disk storage apparatus with phase sync circuit having cont...

Active filter control apparatus

Disk recording apparatus with adaptive window adjusting

Ad converter and magnetic recording/regenerating apparatus using th...

Sync data introduction method and system

Magnetic disk system and waveform equalizer therefor

Magnetic disk storage apparatus with phase sync circuit having cont...

Data separator and signal processing circuit with an adjustable window

Semiconductor integrated circuit which performs phase synchronization

Data separator and signal processing circuit

Address mark generating method and its circuit in a data memory

Patents Applicationslast 30 patents

Disk device and method of generating signal representing head

Disk device and method of generating signal re

Disk device and method of generating signal representing head

Signal processing circuit free from erroneuos data and the informat...

Signal processing circuit free from erroneous data and the informat...