Yoshinori Ohtsuka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thin film magnetic head having lower auxiliary magnetic pole on low...
- Patent number 7,167,341
- Issue date Jan 23, 2007
- Fujitsu Limited
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft magnetic film of FeCoMO having a high saturation flux density,...
- Patent number 6,828,046
- Issue date Dec 7, 2004
- Fujitsu Limited
- Shoji Ikeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing thin film magnetic head
- Patent number 6,813,824
- Issue date Nov 9, 2004
- Fujitsu Limited
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with short lower magnetic pole piece
- Patent number 6,751,052
- Issue date Jun 15, 2004
- Fujitsu Limited
- Ikuya Tagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing magnetic head
- Patent number 6,692,977
- Issue date Feb 17, 2004
- Fujitsu Limited
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 6,614,620
- Issue date Sep 2, 2003
- Fujitsu Limited
- Ikuya Tagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head including a coil insulating resin filler an...
- Patent number 6,567,239
- Issue date May 20, 2003
- Fujitsu Limited
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having linear or curved tracking servo pa...
- Patent number 6,324,032
- Issue date Nov 27, 2001
- Fujitsu Limited
- Yoshinori Ohtsuka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and apparatus for manufacturing magnetic head
- Patent number 6,180,421
- Issue date Jan 30, 2001
- Fujitsu Limited
- Hideaki Futai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic head and process for producing same
- Patent number 6,083,410
- Issue date Jul 4, 2000
- Fujitsu Ltd.
- Yukinori Ikegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method of forming the same and magnet...
- Patent number 6,055,139
- Issue date Apr 25, 2000
- Fujitsu Limited
- Yoshinori Ohtsuka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive head with a front flux guide and an embedded MR el...
- Patent number 5,995,339
- Issue date Nov 30, 1999
- Fujitsu Limited
- Takao Koshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin valve magnetoresistive head with spun valves connected in series
- Patent number 5,859,753
- Issue date Jan 12, 1999
- Fujitsu Limited
- Yoshinori Ohtsuka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film inductive head and magnetic writing/reading drive includi...
- Patent number 5,774,308
- Issue date Jun 30, 1998
- Fujitsu Limited
- Yoshinori Ohtsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive head and magnetic recording/reproducing apparatus
- Patent number 5,771,141
- Issue date Jun 23, 1998
- Fujitsu Limited
- Yoshinori Ohtsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic memory device
- Patent number 5,717,630
- Issue date Feb 10, 1998
- Fujitsu Limited
- Takao Koshikawa
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording medium, magnetic storage device, and fabricating...
- Publication number 20060061900
- Publication date Mar 23, 2006
- FUJITSU LIMITED
- Yoshinori Ohtsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head having lower auxiliary magnetic pole on low...
- Publication number 20050013045
- Publication date Jan 20, 2005
- FUJITSU LIMITED
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing magnetic head
- Publication number 20030136757
- Publication date Jul 24, 2003
- FUJITSU LIMITED
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method of producing thin film magnetic head
- Publication number 20030090835
- Publication date May 15, 2003
- FUJITSU LIMITED
- Minoru Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Application
Soft magnetic film of FeCoMO having a high saturation flux density,...
- Publication number 20020150790
- Publication date Oct 17, 2002
- FUJITSU LIMITED
- Shoji Ikeda
- B82 - NANO-TECHNOLOGY
Information Patent Application
Method of fabricating thin-film magnetic head
- Publication number 20020078551
- Publication date Jun 27, 2002
- FUJITSU LIMITED
- Yoshinori Ohtsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head
- Publication number 20020048116
- Publication date Apr 25, 2002
- FUJITSU LIMITED
- Ikuya Tagawa
- G11 - INFORMATION STORAGE

Yoshinori Ohtsuka

Person

Patents Grantslast 30 patents

Thin film magnetic head having lower auxiliary magnetic pole on low...

Soft magnetic film of FeCoMO having a high saturation flux density,...

Method of producing thin film magnetic head

Thin film magnetic head with short lower magnetic pole piece

Method for manufacturing magnetic head

Thin film magnetic head

Thin film magnetic head including a coil insulating resin filler an...

Magnetic recording medium having linear or curved tracking servo pa...

Method and apparatus for manufacturing magnetic head

Thin film magnetic head and process for producing same

Magnetic recording medium and method of forming the same and magnet...

Magnetoresistive head with a front flux guide and an embedded MR el...

Spin valve magnetoresistive head with spun valves connected in series

Thin film inductive head and magnetic writing/reading drive includi...

Magnetoresistive head and magnetic recording/reproducing apparatus

Magnetic memory device

Patents Applicationslast 30 patents

Magnetic recording medium, magnetic storage device, and fabricating...

Thin film magnetic head having lower auxiliary magnetic pole on low...

Method for manufacturing magnetic head

Method of producing thin film magnetic head

Soft magnetic film of FeCoMO having a high saturation flux density,...

Method of fabricating thin-film magnetic head

Thin film magnetic head