Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Longfei Yi
Tokyo
JP
8 patents
7 Patents
US12334895
2025
Electronic Component
TDK CORPORATION
0 cites
US12323122
2025
Filter Circuit and Multilayered Filter Device
TDK CORPORATION
0 cites
US12308502
2025
Multilayered Filter Device
TDK CORPORATION
0 cites
US12308813
2025
Filter Circuit and Multilayered Filter Device
TDK CORPORATION
0 cites
US12294131
2025
Multilayered Filter Device
TDK CORPORATION
0 cites
US12218396
2025
Multi-layered Band-pass Filter Device
TDK CORPORATION
0 cites
US11955681
2024
Band-pass Filter
TDK CORPORATION
0 cites