Ryuji Fujii

Person

Shatin, N.T., HK

People

Patents Grantslast 30 patents

Information Patent Grant
Thermally assisted magnetic head, light source unit bar like member...
- Patent number 12,027,179
- Issue date Jul 2, 2024
- SAE Magnetics (H.K.) Ltd.
- Seiichi Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser and laser radar device having the semiconductor...
- Patent number 11,817,678
- Issue date Nov 14, 2023
- SAE Magnetics (H. K.) Ltd.
- Seiichi Takayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermally-assisted magnetic recording head having active layer with...
- Patent number 11,127,424
- Issue date Sep 21, 2021
- SAE Magnetics (H. K.) Ltd.
- Kang Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive thermally assisted magnetic recording head having a slid...
- Patent number 10,811,042
- Issue date Oct 20, 2020
- SAE Magnetics (H. K.) Ltd.
- Ryuji Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for performing burn-in test
- Patent number 8,384,405
- Issue date Feb 26, 2013
- TDK Corporation
- Koji Shimazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source unit for thermally-assisted magnetic recording includi...
- Patent number 8,254,214
- Issue date Aug 28, 2012
- TDK Corporation
- Koji Shimazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for manufacturing magnetic head slider
- Patent number 7,739,786
- Issue date Jun 22, 2010
- SAE Magnetics (H. K.) Ltd.
- Ryuji Fujii
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for lapping thin film magnetic heads
- Patent number 7,326,102
- Issue date Feb 5, 2008
- SAE Magnetics (HK) Ltd.
- Ryuji Fujii
- B24 - GRINDING POLISHING
Information Patent Grant
Manufacturing method of flying magnetic head slider
- Patent number 7,281,317
- Issue date Oct 16, 2007
- SAE Magnetics (H.K.) Ltd.
- Morihiro Ohno
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for edge blending hard drive head sliders
- Patent number 7,189,150
- Issue date Mar 13, 2007
- SAE Magnetics (H.K.) Ltd.
- Zhu Jian Zhan
- B24 - GRINDING POLISHING
Information Patent Grant
Fixture for slider lapping, lapping device and lapping method
- Patent number 7,153,198
- Issue date Dec 26, 2006
- Sae Magnetics (H.K.) Ltd.
- Ryuji Fujii
- B24 - GRINDING POLISHING
Information Patent Grant
Lapping method of magnetic head slider and lapping method of bar
- Patent number 6,679,760
- Issue date Jan 20, 2004
- SAE Magnetics (HK) Ltd.
- Osamu Fukuroi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor Laser and Laser Radar Device Having the Semiconductor...
- Publication number 20220311217
- Publication date Sep 29, 2022
- SAE Magnetics (H.K.) Ltd.
- Seiichi Takayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING HEAD AND THERMALLY ASSISTED M...
- Publication number 20200143827
- Publication date May 7, 2020
- SAE Magnetics (H.K.) Ltd.
- Ryuji Fujii
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PERFORMING BURN-IN TEST
- Publication number 20120269047
- Publication date Oct 25, 2012
- TDK Corporation
- Koji Shimazawa
- G01 - MEASURING TESTING
Information Patent Application
LIGHT SOURCE UNIT FOR THERMALLY-ASSISTED MAGNETIC RECORDING
- Publication number 20110128827
- Publication date Jun 2, 2011
- TDK Corporation
- Koji SHIMAZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
Grinding sheet and grinding method
- Publication number 20070232200
- Publication date Oct 4, 2007
- TMP Co., Ltd.
- Hideaki Natsui
- B24 - GRINDING POLISHING
Information Patent Application
APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC HEAD SLIDER AND POL...
- Publication number 20060292968
- Publication date Dec 28, 2006
- SAE Magnetics (H.K.) Ltd.
- Ryuji FUJII
- B24 - GRINDING POLISHING
Information Patent Application
Apparatus and method for lapping thin film magnetic heads
- Publication number 20050095956
- Publication date May 5, 2005
- SAE Magnetics (H. K.) Ltd.
- Ryuji Fujii
- B24 - GRINDING POLISHING
Information Patent Application
Manufacturing method of flying magnetic head slider
- Publication number 20050005426
- Publication date Jan 13, 2005
- SAE Magnetics (H. K.) Ltd.
- Morihiro Ohno
- G11 - INFORMATION STORAGE
Information Patent Application
Flying head slider and manufacturing method of the head slider
- Publication number 20050007699
- Publication date Jan 13, 2005
- SAE Magnetics (H.K.) Ltd.
- Morihiro Ohno
- G11 - INFORMATION STORAGE
Information Patent Application
System and method for edge blending hard drive head sliders
- Publication number 20040242131
- Publication date Dec 2, 2004
- Zhu Jian Zhan
- B24 - GRINDING POLISHING
Information Patent Application
Lapping method of magnetic head slider and lapping method of bar
- Publication number 20020119734
- Publication date Aug 29, 2002
- SAE Magnetics (H.K.) Ltd.,
- Osamu Fukuroi
- B24 - GRINDING POLISHING

Ryuji Fujii

Person

Patents Grantslast 30 patents

Thermally assisted magnetic head, light source unit bar like member...

Semiconductor laser and laser radar device having the semiconductor...

Thermally-assisted magnetic recording head having active layer with...

Disk drive thermally assisted magnetic recording head having a slid...

Method for performing burn-in test

Light source unit for thermally-assisted magnetic recording includi...

Apparatus for manufacturing magnetic head slider

Apparatus for lapping thin film magnetic heads

Manufacturing method of flying magnetic head slider

System and method for edge blending hard drive head sliders

Fixture for slider lapping, lapping device and lapping method

Lapping method of magnetic head slider and lapping method of bar

Patents Applicationslast 30 patents

Semiconductor Laser and Laser Radar Device Having the Semiconductor...

THERMALLY ASSISTED MAGNETIC RECORDING HEAD AND THERMALLY ASSISTED M...

METHOD FOR PERFORMING BURN-IN TEST

LIGHT SOURCE UNIT FOR THERMALLY-ASSISTED MAGNETIC RECORDING

Grinding sheet and grinding method

APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC HEAD SLIDER AND POL...

Apparatus and method for lapping thin film magnetic heads

Manufacturing method of flying magnetic head slider

Flying head slider and manufacturing method of the head slider

System and method for edge blending hard drive head sliders

Lapping method of magnetic head slider and lapping method of bar