Inventor
MIWA MASASHI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “MIWA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
29 patentsUS6650046B2Nov 18, 2003
Thin-film EL device, and its fabrication process
TDK CORP15 citations84
US6803122B2Oct 12, 2004
EL device
TDK CORP11 citations74
US10734143B2Aug 4, 2020
R-T-B based sintered magnet
TDK CORP2 citations73
US10388441B2Aug 20, 2019
R-T-B based sintered magnet and motor
TDK CORP2 citations73
US10109403B2Oct 23, 2018
R-T-B based sintered magnet and motor
TDK CORP4 citations73
US6577059B2Jun 10, 2003
Thin-film EL device, and its fabrication process
TDK CORP11 citations73
US10256015B2Apr 9, 2019
R-t-b based sintered magnet and rotating machine
TDK CORP3 citations71
US10096410B2Oct 9, 2018
R-T-B based sintered magnet
TDK CORP2 citations71
US9773599B2Sep 26, 2017
R-T-B based sintered magnet
TDK CORP5 citations70
US12020836B2Jun 25, 2024
R-T-B based permanent magnet and motor
TDK CORP0 citations62
US8383252B2Feb 26, 2013
Rare earth magnet and its production method
TDK CORP2 citations62
US6677059B2Jan 13, 2004
EL device and making method
TDK CORP6 citations62
US10410777B2Sep 10, 2019
R-T-B based sintered magnet and motor
TDK CORP1 citations61
US9514869B2Dec 6, 2016
R-T-B based sintered magnet
TDK CORP2 citations60
US10672546B2Jun 2, 2020
R-T-B based permanent magnet
TDK CORP1 citations59
US10522276B2Dec 31, 2019
R-T-B based sintered magnet
TDK CORP1 citations59
US11410804B2Aug 9, 2022
R-T-B based permanent magnet
TDK CORP0 citations52
US10748686B2Aug 18, 2020
R-T-B based sintered magnet
TDK CORP0 citations52
US11742119B2Aug 29, 2023
R-T-B based permanent magnet
TDK CORP0 citations51
US11657934B2May 23, 2023
R-T-B based permanent magnet
TDK CORP0 citations51
US11636962B2Apr 25, 2023
R-T-B based permanent magnet
TDK CORP0 citations51
US11152142B2Oct 19, 2021
R-T-B based permanent magnet
TDK CORP0 citations51
US9997284B2Jun 12, 2018
Sintered magnet
TDK CORP0 citations51
US10943717B2Mar 9, 2021
R-T-B based permanent magnet
TDK CORP0 citations48
US10529473B2Jan 7, 2020
R-T-B based permanent magnet
TDK CORP0 citations48
US11145444B2Oct 12, 2021
R-T-B-based sintered magnet
TDK CORP0 citations47
US10784028B2Sep 22, 2020
R-T-B based permanent magnet
TDK CORP0 citations41
US10748685B2Aug 18, 2020
R-T-B based sintered magnet
TDK CORP0 citations41
US10388443B2Aug 20, 2019
R-T-B based sintered magnet
TDK CORP0 citations38