Inventor
NISHIKAWA TOMONAGA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA TOMONAGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
27 patentsUS7408435B2Aug 5, 2008
Coil component
TDK CORP17 citations84
US7773347B2Aug 10, 2010
Electrostatic protection for a magnetic tape head having multiple MR read elements
TDK CORP8 citations83
US7619500B1Nov 17, 2009
Common mode filter
TDK CORP11 citations81
US7508292B2Mar 24, 2009
Coil component
TDK CORP6 citations74
US10840010B2Nov 17, 2020
Coil component
TDK CORP2 citations72
US11056268B2Jul 6, 2021
Coil component
TDK CORP2 citations71
US10638611B2Apr 28, 2020
Coil component and circuit board in which coil component are embedded
TDK CORP2 citations71
US10998126B2May 4, 2021
Coil component and manufacturing methods thereof
TDK CORP3 citations69
US7646280B2Jan 12, 2010
Common mode choke coil and manufacturing method thereof
TDK CORP5 citations63
US11450475B2Sep 20, 2022
Coil component and manufacturing method therefor
TDK CORP0 citations62
US7764466B2Jul 27, 2010
Thin-film magnetic head with closure and manufacturing method of the head
TDK CORP4 citations60
US12505946B2Dec 23, 2025
Coil-embedded magnetic core and coil device
TDK CORP0 citations59
US11476041B2Oct 18, 2022
Coil component and manufacturing method therefor
TDK CORP1 citations59
US12518902B2Jan 6, 2026
Coil component
TDK CORP0 citations51
US12051531B2Jul 30, 2024
Coil component and its manufacturing method
TDK CORP0 citations51
US11482357B2Oct 25, 2022
Coil component and method of manufacturing the same
TDK CORP0 citations51
US11557425B2Jan 17, 2023
Coil component
TDK CORP0 citations50
US12273999B2Apr 8, 2025
Surface-mount electronic component and circuit board having the same
TDK CORP0 citations49
US10546683B2Jan 28, 2020
Coil component
TDK CORP0 citations49
US12525389B2Jan 13, 2026
Coil component and manufacturing method therefor
TDK CORP0 citations48
US11087915B2Aug 10, 2021
Electronic component and manufacturing method thereof
TDK CORP0 citations48
US12278037B2Apr 15, 2025
Coil component
TDK CORP0 citations47
US12586712B2Mar 24, 2026
Composite electronic component
TDK CORP0 citations46
US9203372B2Dec 1, 2015
Common mode filter
TDK CORP0 citations42
US10418164B2Sep 17, 2019
Coil component, manufacturing method thereof, and circuit board on which coil component are mounted
TDK CORP0 citations41
US7791835B2Sep 7, 2010
Multi-channel head
TDK CORP0 citations41
US10426032B1Sep 24, 2019
Multilayer wiring structure and its manufacturing method
TDK CORP0 citations40