Hirohisa Ishihara

Person

Niigata-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head device having rear positive pressure surface and rear...
- Patent number 7,940,497
- Issue date May 10, 2011
- TDK Corporation
- Yasuyuki Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head apparatus having magnetic head slider and magnetic di...
- Patent number 7,145,752
- Issue date Dec 5, 2006
- Alps Electric Co., Ltd.
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having protrusions provided on the medium-faci...
- Patent number 7,130,154
- Issue date Oct 31, 2006
- Alps Electric Co., Ltd.
- Tomoo Otsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having raised element and magnetic head apparatus usi...
- Patent number 6,839,203
- Issue date Jan 4, 2005
- Alps Electric Co., Ltd.
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having protrusions with high abrasion resistan...
- Patent number 6,728,069
- Issue date Apr 27, 2004
- Alps Electric Co., Ltd.
- Tomoo Otsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having protrusions provided on the medium-faci...
- Patent number 6,717,772
- Issue date Apr 6, 2004
- Alps Electric Co., Ltd.
- Tomoo Otsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having protrusion on medium opposing surface and magn...
- Patent number 6,657,819
- Issue date Dec 2, 2003
- Alps Electric Co., Ltd.
- Hirohisa Ishihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having raised element and magnetic head apparatus usi...
- Patent number 6,639,756
- Issue date Oct 28, 2003
- Alps Electric Co., Ltd.
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing magnetic head
- Patent number 6,591,478
- Issue date Jul 15, 2003
- Alps Electric Co., Ltd.
- Hirohisa Ishihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Floating type magnetic head with non-magnetic thin film coating pat...
- Patent number 6,172,850
- Issue date Jan 9, 2001
- Alps Electric Co., Ltd.
- Hirohisa Ishihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head, magnetic recording/reproducing apparatus
- Patent number 6,101,066
- Issue date Aug 8, 2000
- Alps Electric Co., Ltd.
- Hirohisa Ishihara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head slider with crown profile and fabrication method for...
- Publication number 20080062566
- Publication date Mar 13, 2008
- Alps Electric Co., Ltd.
- Hironori Namba
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD DEVICE CAPABLE OF STABILIZING THE FLOATING DISTANCE B...
- Publication number 20070211385
- Publication date Sep 13, 2007
- Alps Electric Co., Ltd.
- Yasuyuki Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD DEVICE
- Publication number 20070121238
- Publication date May 31, 2007
- Alps Electric Co., Ltd.
- Yasuyuki Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head apparatus having magnetic head slider and magnetic di...
- Publication number 20040201924
- Publication date Oct 14, 2004
- Alps Electric Co., Ltd.
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head having raised element and magnetic head apparatus usi...
- Publication number 20040027723
- Publication date Feb 12, 2004
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider having protrusions provided on the medium-faci...
- Publication number 20030197978
- Publication date Oct 23, 2003
- Tomoo Otsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider having protrusions provided on the medium-faci...
- Publication number 20030193749
- Publication date Oct 16, 2003
- Tomoo Otsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head having raised element and magnetic head apparatus usi...
- Publication number 20020063994
- Publication date May 30, 2002
- Alps Electric Co., Ltd.
- Junsei Ueda
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF PRODUCING MAGNETIC HEAD
- Publication number 20020054459
- Publication date May 9, 2002
- HIROHISA ISHIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
Megnetic head having protrusion on medium opposing surface and magn...
- Publication number 20010040765
- Publication date Nov 15, 2001
- Alps Electric Co., Ltd.
- Hirohisa Ishihara
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider having protrusions provided on the medium-faci...
- Publication number 20010019467
- Publication date Sep 6, 2001
- Alps Electric C., Ltd
- Tomoo Otsuka
- G11 - INFORMATION STORAGE

Hirohisa Ishihara

Person

Patents Grantslast 30 patents

Magnetic head device having rear positive pressure surface and rear...

Magnetic head apparatus having magnetic head slider and magnetic di...

Magnetic head slider having protrusions provided on the medium-faci...

Magnetic head having raised element and magnetic head apparatus usi...

Magnetic head slider having protrusions with high abrasion resistan...

Magnetic head slider having protrusions provided on the medium-faci...

Magnetic head having protrusion on medium opposing surface and magn...

Magnetic head having raised element and magnetic head apparatus usi...

Method of producing magnetic head

Floating type magnetic head with non-magnetic thin film coating pat...

Magnetic head, magnetic recording/reproducing apparatus

Patents Applicationslast 30 patents

Magnetic head slider with crown profile and fabrication method for...

MAGNETIC HEAD DEVICE CAPABLE OF STABILIZING THE FLOATING DISTANCE B...

MAGNETIC HEAD DEVICE

Magnetic head apparatus having magnetic head slider and magnetic di...

Magnetic head having raised element and magnetic head apparatus usi...

Magnetic head slider having protrusions provided on the medium-faci...

Magnetic head slider having protrusions provided on the medium-faci...

Magnetic head having raised element and magnetic head apparatus usi...

METHOD OF PRODUCING MAGNETIC HEAD

Megnetic head having protrusion on medium opposing surface and magn...

Magnetic head slider having protrusions provided on the medium-faci...