Tetsuya Roppongi

Inventor

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Work History

Patent OwnerApplications FiledYear
SAE MAGNETICS (H.K.) LTD.
4
2
2
2
2003
2004
2005
2014
SAE MAGNETICS (H.K.) LTD., SAE TECHNOLOGY CENTRE
1
2005
TDK CORPORATION
1
1
1
15
4
6
6
10
12
2
6
18
6
11
2
7
4
1998
1999
2000
2001
2002
2003
2004
2005
2007
2008
2009
2010
2011
2012
2013
2014
2016
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
4
2001

Inventor Addresses

AddressDuration
Chuo-ku, JPJun 19, 03 - Apr 21, 09
Kawasaki, JPNov 07, 00 - Apr 27, 04
Kawasaki-shi, JPMar 28, 02 - Apr 04, 02
Milpitas, CA, USAug 18, 20 - Nov 29, 22
San Jose, CA, USSep 24, 19 - Mar 06, 25
Tokyo, JPJun 20, 02 - Feb 11, 20

Technology Profile

Technology Matters
C23F: NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 1
C25D: PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 1
G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2025/0078,8622025Optimizing A Current Distribution In Write Heads For Efficient Energy-Assisted Magnetic Recording0
2024/0371,4022024Magnetic Flux Guiding Device With Spin Torque Oscillator (STO) Film Having Negative Spin Polarization Layers In Assisted Writing Application0
120944972024Optimizing a current distribution in write heads for efficient energy-assisted magnetic recording0
120680082024Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application0
2024/0029,7592024Dual-Spin Torque Oscillator Designs in Microwave Assisted Magnetic Recording8

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