Eijin Moriwaki

Person

Hachioji-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing magnetic head device
- Patent number 7,159,303
- Issue date Jan 9, 2007
- Hitachi Global Storage Technologies, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic apparatus with perpendicular recording medium and head hav...
- Patent number 7,054,120
- Issue date May 30, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Ryoichi Nakatani
- 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
Magnetic head with conductors formed on endlayers of a multilayer f...
- Patent number 6,687,099
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Ryoichi Nakatani
- 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
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 disk apparatus including magnetic head having multilayered...
- Patent number 6,483,677
- Issue date Nov 19, 2002
- Hitachi, Ltd.
- Ryoichi Nakatani
- G11 - INFORMATION STORAGE
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
Magnetoresistance effect elements and magnetic heads using the tunn...
- Patent number 6,278,593
- Issue date Aug 21, 2001
- Hitachi, Ltd.
- Ryoichi Nakatani
- 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
Magnetoresistance effect multilayer film with ferromagnetic film su...
- Patent number 6,011,674
- Issue date Jan 4, 2000
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
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
Information Patent Grant
Multilayer magnetoresistance effect-type magnetic head
- Patent number 5,726,837
- Issue date Mar 10, 1998
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Multilayer magnetoresistance effect-type magnetic head
- Patent number 5,390,061
- Issue date Feb 14, 1995
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Integrated magnetic head having a magnetic layer functioning as bot...
- Patent number 5,168,409
- Issue date Dec 1, 1992
- Hitachi, Ltd.
- Naoki Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having at least one magnetic core member ma...
- Patent number 5,126,907
- Issue date Jun 30, 1992
- Hitachi, Ltd.
- Yoshihiro Hamakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 4,881,144
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Isamu Yuito
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayered magnetic films and thin-film magnetic heads using the...
- Patent number 4,814,921
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Yoshihiro Hamakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having an improved coil
- Patent number 4,760,481
- Issue date Jul 26, 1988
- Hitachi, Ltd.
- Isamu Yuito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20060152862
- Publication date Jul 13, 2006
- Ryoichi Nakatani
- G01 - MEASURING TESTING
Information Patent Application
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20040090850
- Publication date May 13, 2004
- Hitachi, Ltd.
- Ryoichi Nakatani
- G01 - MEASURING TESTING
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
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20030117750
- Publication date Jun 26, 2003
- Hitachi, Ltd.
- Ryoichi Nakatani
- G01 - MEASURING TESTING
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
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
Magnetoresistance effect elements, magnetic heads and magnetic stor...
- Publication number 20020018325
- Publication date Feb 14, 2002
- Hitachi, Ltd.
- Ryoichi Nakatani
- B82 - NANO-TECHNOLOGY

Eijin Moriwaki

Person

Patents Grantslast 30 patents

Method for manufacturing magnetic head device

Magnetic apparatus with perpendicular recording medium and head hav...

Combination perpendicular magnetic head having shield material form...

Magnetic head with conductors formed on endlayers of a multilayer f...

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

Method of fabricating a magnetic head by focused ion beam etching

Magnetic disk apparatus including magnetic head having multilayered...

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

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

Magnetoresistance effect elements and magnetic heads using the tunn...

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

Magnetoresistance effect multilayer film with ferromagnetic film su...

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

Multilayer magnetoresistance effect-type magnetic head

Multilayer magnetoresistance effect-type magnetic head

Integrated magnetic head having a magnetic layer functioning as bot...

Thin film magnetic head having at least one magnetic core member ma...

Thin film magnetic head

Multilayered magnetic films and thin-film magnetic heads using the...

Thin film magnetic head having an improved coil

Patents Applicationslast 30 patents

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Narrow track thin film magnetic head and fabrication method thereof

Magnetoresistance effect elements, magnetic heads and magnetic stor...

Narrow track thin film magnetic head and fabrication method thereof

Narrow track thin film magnetic head and fabrication method thereof

Magnetoresistance effect elements, magnetic heads and magnetic stor...