Yoshihiro Sakurai

Person

Hadano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Inspection device or inspection method for magnetic head or magneti...
- Patent number 8,643,966
- Issue date Feb 4, 2014
- Hitachi High-Technologies Corporation
- Kazuhiko Kishie
- G11 - INFORMATION STORAGE
Information Patent Grant
Inspection device and inspection method for inspecting magnetic dis...
- Patent number 8,605,378
- Issue date Dec 10, 2013
- Hitachi High-Technologies Corporation
- Yoshihiro Sakurai
- G11 - INFORMATION STORAGE
Information Patent Grant
Head positioning method for eccentric track and head positioning co...
- Patent number 8,279,551
- Issue date Oct 2, 2012
- Hitachi High-Technologies Corporation
- Kunihito Higa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head-positioning servo system, magnetic head test system a...
- Patent number 8,154,821
- Issue date Apr 10, 2012
- Hitachi High-Technologies Corporation
- Shigeo Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for measuring write/read width of a composite magnetic head...
- Patent number 8,054,567
- Issue date Nov 8, 2011
- Hitachi High-Technologies Corporation
- Hideki Mochizuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Inspection apparatus and inspection method of magnetic disk or magn...
- Patent number 8,000,045
- Issue date Aug 16, 2011
- Hitachi High-Technologies Corporation
- Masami Makuuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Inspection apparatus and inspection method of magnetic disk or magn...
- Patent number 8,000,047
- Issue date Aug 16, 2011
- Hitachi High-Technologies Corporation
- Masayoshi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo area test method of a magnetic recording medium and a test de...
- Patent number 7,969,679
- Issue date Jun 28, 2011
- Hitachi High-Technologies Corporation
- Hideki Mochizuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for measuring offset amount between heads in a composite mag...
- Patent number 7,911,723
- Issue date Mar 22, 2011
- Hitachi High-Technologies Corporation
- Hideki Mochizuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for measuring write width and/or read width of a composite m...
- Patent number 7,898,755
- Issue date Mar 1, 2011
- Hitachi High-Technologies Corporation
- Hideki Mochizuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo information writing method, magnetic head tester and magnetic...
- Patent number 7,768,737
- Issue date Aug 3, 2010
- Hitachi High-Technologies Corporation
- Yoshihiro Sakurai
- G11 - INFORMATION STORAGE
Information Patent Grant
Head position control method, head position control device, and mag...
- Patent number 7,751,143
- Issue date Jul 6, 2010
- Hitachi High-Technologies Corporation
- Yukio Yamamoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC READ-WRITE INSPECTION APPARATUS AND MAGNETIC READ-WRITE IN...
- Publication number 20130258513
- Publication date Oct 3, 2013
- Hitachi High-Technologies Corporation
- Yoshihiro SAKURAI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD INSPECTION APPARATUS AND MAGNETIC HEAD INSPECTION METHOD
- Publication number 20130135769
- Publication date May 30, 2013
- Hitachi High-Technologies Corporation
- Kunihito HIGA
- G11 - INFORMATION STORAGE
Information Patent Application
INSPECTION DEVICE AND INSPECTION METHOD FOR INSPECTING MAGNETIC DIS...
- Publication number 20120250175
- Publication date Oct 4, 2012
- Yoshihiro Sakurai
- G11 - INFORMATION STORAGE
Information Patent Application
PATTERNED MEDIUM INSPECTION METHOD AND INSPECTION APPARATUS
- Publication number 20120194939
- Publication date Aug 2, 2012
- Takuma NISHIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
INSPECTION APPARATUS AND INSPECTION METHOD FOR MAGNETIC HEAD OR MAG...
- Publication number 20120075738
- Publication date Mar 29, 2012
- Hitachi High-Technologies Corporation
- Toshiaki SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
INSPECTION DEVICE OR INSPECTION METHOD FOR MAGNETIC HEAD OR MAGNETI...
- Publication number 20120057255
- Publication date Mar 8, 2012
- Kazuhiko KISHIE
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTING CIRCUIT AND INSPECTING APPARATUS
- Publication number 20110211277
- Publication date Sep 1, 2011
- Takuma NISHIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD POSITION CONTROL DEVICE, MAGNETIC RECORDING EVALUATION APPARAT...
- Publication number 20110090590
- Publication date Apr 21, 2011
- Hitachi High-Technologies Corporation
- Yukio YAMAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD POSITIONING METHOD FOR ECCENTRIC TRACK AND HEAD POSITIONING CO...
- Publication number 20100214686
- Publication date Aug 26, 2010
- Hitachi High-Technologies Corporation
- Kunihito HIGA
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO AREA TEST METHOD OF A MAGNETIC RECORDING MEDIUM AND A TEST DE...
- Publication number 20100195244
- Publication date Aug 5, 2010
- Hitachi High-Technologies Corporation
- Hideki MOCHIZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD-POSITIONING SERVO SYSTEM, MAGNETIC HEAD TEST SYSTEM A...
- Publication number 20100079900
- Publication date Apr 1, 2010
- Hitachi High-Technologies Corporation
- Shigeo NAKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
Inspection Apparatus and Inspection Method of Magnetic Disk or Magn...
- Publication number 20100067135
- Publication date Mar 18, 2010
- Masami MAKUUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
Inspection Apparatus and Inspection Method of Magnetic Disk or Magn...
- Publication number 20100033862
- Publication date Feb 11, 2010
- Masayoshi TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MEASURING OFFSET AMOUNT BETWEEN HEADS IN A COMPOSITE MAG...
- Publication number 20100020427
- Publication date Jan 28, 2010
- Hitachi High-Technologies Corporation
- Hideki MOCHIZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MEASURING WRITE/READ WIDTH OF A COMPOSITE MAGNETIC HEAD...
- Publication number 20100020428
- Publication date Jan 28, 2010
- Hitachi High-Technologies Corporation
- Hideki MOCHIZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD POSITION CONTROL METHOD, HEAD POSITION CONTROL DEVICE, AND MAG...
- Publication number 20090284862
- Publication date Nov 19, 2009
- Yukio YAMAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MEASURING WRITE WIDTH AND/OR READ WIDTH OF A COMPOSITE M...
- Publication number 20090262446
- Publication date Oct 22, 2009
- Hideki Mochizuki
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MEASURING WRITE WIDTH AND/OR READ WIDTH OF A COMPOSITE M...
- Publication number 20090244755
- Publication date Oct 1, 2009
- Hideki MOCHIZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO INFORMATION WRITING METHOD, MAGNETIC HEAD TESTER AND MAGNETIC...
- Publication number 20090073602
- Publication date Mar 19, 2009
- Yoshihiro Sakurai
- G11 - INFORMATION STORAGE

Yoshihiro Sakurai

Person

Patents Grantslast 30 patents

Inspection device or inspection method for magnetic head or magneti...

Inspection device and inspection method for inspecting magnetic dis...

Head positioning method for eccentric track and head positioning co...

Magnetic head-positioning servo system, magnetic head test system a...

Method for measuring write/read width of a composite magnetic head...

Inspection apparatus and inspection method of magnetic disk or magn...

Inspection apparatus and inspection method of magnetic disk or magn...

Servo area test method of a magnetic recording medium and a test de...

Method for measuring offset amount between heads in a composite mag...

Method for measuring write width and/or read width of a composite m...

Servo information writing method, magnetic head tester and magnetic...

Head position control method, head position control device, and mag...

Patents Applicationslast 30 patents

MAGNETIC READ-WRITE INSPECTION APPARATUS AND MAGNETIC READ-WRITE IN...

MAGNETIC HEAD INSPECTION APPARATUS AND MAGNETIC HEAD INSPECTION METHOD

INSPECTION DEVICE AND INSPECTION METHOD FOR INSPECTING MAGNETIC DIS...

PATTERNED MEDIUM INSPECTION METHOD AND INSPECTION APPARATUS

INSPECTION APPARATUS AND INSPECTION METHOD FOR MAGNETIC HEAD OR MAG...

INSPECTION DEVICE OR INSPECTION METHOD FOR MAGNETIC HEAD OR MAGNETI...

DETECTING CIRCUIT AND INSPECTING APPARATUS

HEAD POSITION CONTROL DEVICE, MAGNETIC RECORDING EVALUATION APPARAT...

HEAD POSITIONING METHOD FOR ECCENTRIC TRACK AND HEAD POSITIONING CO...

SERVO AREA TEST METHOD OF A MAGNETIC RECORDING MEDIUM AND A TEST DE...

MAGNETIC HEAD-POSITIONING SERVO SYSTEM, MAGNETIC HEAD TEST SYSTEM A...

Inspection Apparatus and Inspection Method of Magnetic Disk or Magn...

Inspection Apparatus and Inspection Method of Magnetic Disk or Magn...

METHOD FOR MEASURING OFFSET AMOUNT BETWEEN HEADS IN A COMPOSITE MAG...

METHOD FOR MEASURING WRITE/READ WIDTH OF A COMPOSITE MAGNETIC HEAD...

HEAD POSITION CONTROL METHOD, HEAD POSITION CONTROL DEVICE, AND MAG...

METHOD FOR MEASURING WRITE WIDTH AND/OR READ WIDTH OF A COMPOSITE M...

METHOD FOR MEASURING WRITE WIDTH AND/OR READ WIDTH OF A COMPOSITE M...

SERVO INFORMATION WRITING METHOD, MAGNETIC HEAD TESTER AND MAGNETIC...