Inventor
UMEDA YUJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
12 patentsUS7528088B2May 5, 2009
Electronic device
TDK CORP18 citations83
US7176156B2Feb 13, 2007
Electronic device, dielectric ceramic composition and the production method
TDK CORP10 citations83
US7042707B2May 9, 2006
Multilayer ceramic capacitor
TDK CORP13 citations83
US8053385B2Nov 8, 2011
Dielectric ceramic composition and electronic component
TDK CORP4 citations62
US7943542B2May 17, 2011
Dielectric ceramic composition and an electronic component
TDK CORP6 citations62
US11271147B2Mar 8, 2022
Piezoelectric composition and piezoelectric element
TDK CORP0 citations60
US11078123B2Aug 3, 2021
Metal oxynitride thin film, process for producing metal oxynitride thin film, and capacitor element
TDK CORP0 citations60
US12586731B2Mar 24, 2026
Amorphous dielectric, capacitor element, and electronic device
TDK CORP0 citations57
US9953751B2Apr 24, 2018
R-T-B based permanent magnet
TDK CORP0 citations52
US10707018B2Jul 7, 2020
Polycrystalline dielectric thin film and capacitor element
TDK CORP0 citations51
US10522288B2Dec 31, 2019
Polycrystalline dielectric thin film and capacitance element
TDK CORP0 citations50
US10529474B2Jan 7, 2020
Rare-earth permanent magnet
TDK CORP0 citations48