Inventor
TANAKA YOSHITOMO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA YOSHITOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
23 patentsUS7154836B2Dec 26, 2006
Optical recording/reproducing method and optical recording medium
TDK CORP27 citations92
US7136343B2Nov 14, 2006
Optical recording/reproducing method and optical recording medium
TDK CORP25 citations92
US9331262B2May 3, 2016
Thin film piezoelectric element, thin film piezoelectric actuator, thin film piezoelectric sensor, hard drive disk, and inkjet printer device
TDK CORP7 citations83
US6999392B2Feb 14, 2006
Optical recording method and optical recording medium
TDK CORP8 citations74
US6605328B2Aug 12, 2003
Optical recording medium
TDK CORP6 citations74
US10468589B2Nov 5, 2019
Magnetoresistance effect element
TDK CORP3 citations73
US10109788B2Oct 23, 2018
Magnetoresistance effect element
TDK CORP3 citations73
US11489109B2Nov 1, 2022
Magnetoresistive effect element and magnetic memory
TDK CORP0 citations62
US11367834B2Jun 21, 2022
Magnetoresistance effect element
TDK CORP0 citations62
US10884078B2Jan 5, 2021
Ferromagnetic multilayer film, magnetoresistance effect element, and method for manufacturing ferromagnetic multilayer film
TDK CORP0 citations62
US10522592B2Dec 31, 2019
Tunnel magnetoresistive effect element, magnetic memory, and built-in memory
TDK CORP1 citations62
US7553561B2Jun 30, 2009
Rare earth magnet
TDK CORP3 citations61
US12580114B2Mar 17, 2026
Magnetostrictive film and electronic device
TDK CORP0 citations57
US10871528B2Dec 22, 2020
Magnetoresistive effect element and magnetic memory
TDK CORP0 citations52
US10790440B2Sep 29, 2020
Magnetoresistance effect element
TDK CORP0 citations52
US10613162B2Apr 7, 2020
Ferromagnetic multilayer film, magnetoresistance effect element, and method for manufacturing ferromagnetic multilayer film
TDK CORP0 citations52
US7189968B2Mar 13, 2007
Sample measurement method and measurement sample base material
TDK CORP0 citations52
US11742119B2Aug 29, 2023
R-T-B based permanent magnet
TDK CORP0 citations51
US9130169B2Sep 8, 2015
Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
TDK CORP0 citations51
US9076968B2Jul 7, 2015
Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
TDK CORP0 citations51
US9022532B1May 5, 2015
Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device
TDK CORP0 citations50
US10475586B2Nov 12, 2019
Oxynitride thin film and capacitance element
TDK CORP0 citations49
US7794859B2Sep 14, 2010
Rare-earth magnet
TDK CORP0 citations40