Chiaki Ishikawa

Person

Fujisawa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetoresistive head having defined relationships between the trac...
- Patent number 7,206,175
- Issue date Apr 17, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Akira Morinaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing head restraining a side reading
- Patent number 7,158,351
- Issue date Jan 2, 2007
- Hitachi Global Storage Technologies
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive head
- Patent number 7,116,534
- Issue date Oct 3, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Chiaki Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head
- Patent number 6,967,823
- Issue date Nov 22, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Combination perpendicular magnetic head having shield material form...
- Patent number 6,839,200
- Issue date Jan 4, 2005
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensor, thin-film read/write head, and magnetic re...
- Patent number 6,721,148
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Chiaki Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having track width defined by trench portions filled...
- Patent number 6,665,141
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having magnetic shield layers
- Patent number 6,643,105
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating a magnetic head by focused ion beam etching
- Patent number 6,538,844
- Issue date Mar 25, 2003
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with shield layer having discontinuous multi-layer or...
- Patent number 6,456,466
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Giant magnetoresistive sensor, thin-film read/write head and magnet...
- Patent number 6,396,734
- Issue date May 28, 2002
- Hitachi, Ltd.
- Chiaki Ishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Narrow track thin film head including magnetic poles machined by fo...
- Patent number 6,307,707
- Issue date Oct 23, 2001
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Narrow track thin film head having a focused ion beam etched air be...
- Patent number 6,278,578
- Issue date Aug 21, 2001
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Giant magnetoresistive sensor, thin-film read/write head and magnet...
- Patent number 6,243,288
- Issue date Jun 5, 2001
- Hitachi, Ltd.
- Chiaki Ishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Narrow track thin film magnetic head suitable for high density reco...
- Patent number 6,111,723
- Issue date Aug 29, 2000
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Grant
Narrow track thin film magnetic head suitable for high density reco...
- Patent number 5,850,326
- Issue date Dec 15, 1998
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head with side shield and manufacturing method thereof
- Publication number 20060018055
- Publication date Jan 26, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Chiseki Haginoya
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording and reproducing head restraining a side reading
- Publication number 20050264948
- Publication date Dec 1, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistive head
- Publication number 20040174640
- Publication date Sep 9, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Akira Morinaga
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistive head
- Publication number 20040114285
- Publication date Jun 17, 2004
- Hitachi, Ltd.
- Chiaki Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head
- Publication number 20040100737
- Publication date May 27, 2004
- Hitachi, Ltd.
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Narrow track thin film magnetic head and fabrication method thereof
- Publication number 20040080865
- Publication date Apr 29, 2004
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistive sensor, thin-film read/write head, and magnetic re...
- Publication number 20030161080
- Publication date Aug 28, 2003
- Chiaki Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Narrow track thin film magnetic head and fabrication method thereof
- Publication number 20030099063
- Publication date May 29, 2003
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic recording apparatus
- Publication number 20020191352
- Publication date Dec 19, 2002
- Kazuhiro Nakamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Narrow track thin film magnetic head and fabrication method thereof
- Publication number 20020080521
- Publication date Jun 27, 2002
- Hitachi, Ltd.
- Hisashi Takano
- G11 - INFORMATION STORAGE
Information Patent Application
Giant magnetoresistive sensor, thin-film read/write head and magnet...
- Publication number 20010030887
- Publication date Oct 18, 2001
- Hitachi, Ltd.
- Chiaki Ishikawa
- B82 - NANO-TECHNOLOGY

Chiaki Ishikawa

Person

Patents Grantslast 30 patents

Magnetoresistive head having defined relationships between the trac...

Magnetic recording and reproducing head restraining a side reading

Magnetoresistive head

Magnetic recording head

Combination perpendicular magnetic head having shield material form...

Magnetoresistive sensor, thin-film read/write head, and magnetic re...

Magnetic head having track width defined by trench portions filled...

Magnetic head having magnetic shield layers

Method of fabricating a magnetic head by focused ion beam etching

Magnetic head with shield layer having discontinuous multi-layer or...

Giant magnetoresistive sensor, thin-film read/write head and magnet...

Narrow track thin film head including magnetic poles machined by fo...

Narrow track thin film head having a focused ion beam etched air be...

Giant magnetoresistive sensor, thin-film read/write head and magnet...

Narrow track thin film magnetic head suitable for high density reco...

Narrow track thin film magnetic head suitable for high density reco...

Patents Applicationslast 30 patents

Magnetic head with side shield and manufacturing method thereof

Magnetic recording and reproducing head restraining a side reading

Magnetoresistive head

Magnetoresistive head

Magnetic recording head

Narrow track thin film magnetic head and fabrication method thereof

Magnetoresistive sensor, thin-film read/write head, and magnetic re...

Narrow track thin film magnetic head and fabrication method thereof

Magnetic head and magnetic recording apparatus

Narrow track thin film magnetic head and fabrication method thereof

Giant magnetoresistive sensor, thin-film read/write head and magnet...