Inventor
SAWAGUCHI SHUHEI
JP13 patents
Patents
13 patentsUS11664778B2May 30, 2023
Band-pass filter
TDK CORP2 citations71
US11476822B2Oct 18, 2022
Band-pass filter
TDK CORP3 citations71
US12323122B2Jun 3, 2025
Filter circuit and multilayered filter device
TDK CORP1 citations61
US12308813B2May 20, 2025
Filter circuit and multilayered filter device
TDK CORP0 citations60
US12500323B2Dec 16, 2025
Multilayered filter device
TDK CORP0 citations59
US11431071B2Aug 30, 2022
Multilayer balun
TDK CORP0 citations50
US11283147B2Mar 22, 2022
Directional coupler
TDK CORP0 citations50
US12401108B2Aug 26, 2025
Filter circuit
TDK CORP0 citations49
US12580289B2Mar 17, 2026
Filter
TDK CORP0 citations48
US12519449B2Jan 6, 2026
Multilayer electronic component
TDK CORP0 citations48
US12348210B2Jul 1, 2025
Multilayer filter
TDK CORP0 citations48
US12341485B2Jun 24, 2025
Multilayer filter
TDK CORP0 citations48
US11955681B2Apr 9, 2024
Band-pass filter
TDK CORP0 citations47