Yasuo Hayakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tunneling magnetic sensing element having two-layered hard bias layer
- Patent number 8,072,712
- Issue date Dec 6, 2011
- TDK Corporation
- Masahlko Ishizone
- B82 - NANO-TECHNOLOGY
Information Patent Grant
CPP GMR head with antiferromagnetic layer disposed at rear of ferri...
- Patent number 7,800,867
- Issue date Sep 21, 2010
- TDK Corporation
- Masamichi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head device provided with lead electrode electrically conn...
- Patent number 7,656,620
- Issue date Feb 2, 2010
- TDK Corporation
- Yoshihiro Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensing element having reactive-ion-etching stop layer and...
- Patent number 7,623,324
- Issue date Nov 24, 2009
- TDK Corporation
- Kenji Honda
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-pinned CPP giant magnetoresistive head with antiferromagnetic...
- Patent number 7,599,155
- Issue date Oct 6, 2009
- TDK Corporation
- Masamichi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP giant magnetoresistive head including pinned magnetic layer tha...
- Patent number 7,365,949
- Issue date Apr 29, 2008
- TDK Corporation
- Yasuo Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP giant magnetoresistive head having antiferromagnetic film dispo...
- Patent number 7,220,499
- Issue date May 22, 2007
- Alps Electric Co., Ltd.
- Masamichi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head comprising SiON film
- Patent number 6,885,526
- Issue date Apr 26, 2005
- Alps Electric Co., Ltd.
- Yoshihiro Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensing element permitting decrease in effective element s...
- Patent number 6,707,649
- Issue date Mar 16, 2004
- Alps Electric Co., Ltd.
- Naoya Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head using Al-Si-O insulating material and metho...
- Patent number 6,704,172
- Issue date Mar 9, 2004
- Alps Electric Co., Ltd.
- Yoshihiro Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor capable of providing stable resistance change rate
- Patent number 6,654,212
- Issue date Nov 25, 2003
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 6,459,551
- Issue date Oct 1, 2002
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin magnetic element and transformer
- Patent number 6,351,204
- Issue date Feb 26, 2002
- Alps Electric Co., Ltd.
- Kiyohito Yamasawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film magnetic head
- Patent number 6,307,720
- Issue date Oct 23, 2001
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head having a gap layer with improved thermal co...
- Patent number 6,252,749
- Issue date Jun 26, 2001
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin magnetic element and transformer
- Patent number 6,140,902
- Issue date Oct 31, 2000
- Alps Electric Co., Ltd.
- Kiyohito Yamasawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making Fe-based soft magnetic alloy
- Patent number 6,083,325
- Issue date Jul 4, 2000
- Alps Electric Co., Ltd.
- Teruo Bitoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Soft magnetic alloy thin film and plane-type magnetic device
- Patent number 5,896,078
- Issue date Apr 20, 1999
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
High frequency soft magnetic alloy and plane magnetic element, ante...
- Patent number 5,833,770
- Issue date Nov 10, 1998
- Alps Electric Co., Ltd.
- Kumiko Ominato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Soft magnetic alloy thin film with nitrogen-based amorphous phase
- Patent number 5,725,685
- Issue date Mar 10, 1998
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Soft magnetic alloy thin film with nitrogen-based amorphous phase
- Patent number 5,656,101
- Issue date Aug 12, 1997
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
SELF-PINNED CPP GIANT MAGNETORESISTIVE HEAD WITH ANTIFERROMAGNETIC...
- Publication number 20090316308
- Publication date Dec 24, 2009
- TDK CORPORATION
- Masamichi Saito
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC SENSING ELEMENT
- Publication number 20080278866
- Publication date Nov 13, 2008
- Masahiko Ishizone
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC HEAD DEVICE PROVIDED WITH LEAD ELECTRODE ELECTRICALLY CONN...
- Publication number 20070127157
- Publication date Jun 7, 2007
- Alps Electric Co., Ltd.
- Yoshihiro Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Application
CPP-TYPE THIN-FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF
- Publication number 20070115595
- Publication date May 24, 2007
- Alps Electric Co., Ltd.
- Kenji Honda
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC SENSING ELEMENT HAVING REACTIVE-ION-ETCHING STOP LAYER AND...
- Publication number 20060291097
- Publication date Dec 28, 2006
- Alps Electric Co., Ltd.
- Kenji Honda
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC DETECTING ELEMENT HAVING RIE-RESISTANT FILM AND METHOD OF...
- Publication number 20060279882
- Publication date Dec 14, 2006
- Kenji Honda
- G01 - MEASURING TESTING
Information Patent Application
CPP giant magnetoresistive head including pinned magnetic layer tha...
- Publication number 20050270703
- Publication date Dec 8, 2005
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Self-pinned CPP giant magnetoresistive head with antiferromagnetic...
- Publication number 20040207960
- Publication date Oct 21, 2004
- Alps Electric Co., Ltd.
- Masamichi Saito
- G11 - INFORMATION STORAGE
Information Patent Application
CPP giant magnetoresistive head having antiferromagnetic film dispo...
- Publication number 20040207962
- Publication date Oct 21, 2004
- Alps Electric Co., Ltd.
- Masamichi Saito
- G01 - MEASURING TESTING
Information Patent Application
Magnetic sensor capable of providing stable resistance change rate
- Publication number 20030021072
- Publication date Jan 30, 2003
- Alps Electric Co., Ltd.
- Yasuo Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic sensing element permitting decrease in effective element s...
- Publication number 20020135956
- Publication date Sep 26, 2002
- Alps Electric Co. Ltd.
- Naoya Hasegawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Thin film magnetic head using Al-Si-O insulating material and metho...
- Publication number 20010046109
- Publication date Nov 29, 2001
- Alps Electric Co., Ltd.
- Yoshihiro Nishiyama
- B82 - NANO-TECHNOLOGY
Information Patent Application
Thin film magnetic head comprising SiON film and manufacturing meth...
- Publication number 20010030841
- Publication date Oct 18, 2001
- Alps Electric Co., Ltd.
- Yasuhiro Nishiyama
- G11 - INFORMATION STORAGE

Yasuo Hayakawa

Person

Patents Grantslast 30 patents

Tunneling magnetic sensing element having two-layered hard bias layer

CPP GMR head with antiferromagnetic layer disposed at rear of ferri...

Magnetic head device provided with lead electrode electrically conn...

Magnetic sensing element having reactive-ion-etching stop layer and...

Self-pinned CPP giant magnetoresistive head with antiferromagnetic...

CPP giant magnetoresistive head including pinned magnetic layer tha...

CPP giant magnetoresistive head having antiferromagnetic film dispo...

Thin film magnetic head comprising SiON film

Magnetic sensing element permitting decrease in effective element s...

Thin film magnetic head using Al-Si-O insulating material and metho...

Magnetic sensor capable of providing stable resistance change rate

Thin film magnetic head

Thin magnetic element and transformer

Thin film magnetic head

Thin film magnetic head having a gap layer with improved thermal co...

Thin magnetic element and transformer

Method for making Fe-based soft magnetic alloy

Soft magnetic alloy thin film and plane-type magnetic device

High frequency soft magnetic alloy and plane magnetic element, ante...

Soft magnetic alloy thin film with nitrogen-based amorphous phase

Soft magnetic alloy thin film with nitrogen-based amorphous phase

Patents Applicationslast 30 patents

SELF-PINNED CPP GIANT MAGNETORESISTIVE HEAD WITH ANTIFERROMAGNETIC...

MAGNETIC SENSING ELEMENT

MAGNETIC HEAD DEVICE PROVIDED WITH LEAD ELECTRODE ELECTRICALLY CONN...

CPP-TYPE THIN-FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF

MAGNETIC SENSING ELEMENT HAVING REACTIVE-ION-ETCHING STOP LAYER AND...

MAGNETIC DETECTING ELEMENT HAVING RIE-RESISTANT FILM AND METHOD OF...

CPP giant magnetoresistive head including pinned magnetic layer tha...

Self-pinned CPP giant magnetoresistive head with antiferromagnetic...

CPP giant magnetoresistive head having antiferromagnetic film dispo...

Magnetic sensor capable of providing stable resistance change rate

Magnetic sensing element permitting decrease in effective element s...

Thin film magnetic head using Al-Si-O insulating material and metho...

Thin film magnetic head comprising SiON film and manufacturing meth...