Inventor · disambiguated record
Longfei Yi
Also filed as: YI LONGFEI
7 granted patents·1 pending application·1 citations·filing 2021–2024
69Inventor score
Files withTDK CORP8
Top patents by PatentIndex Score
8 records- 0192US12323122B2Filter circuit and multilayered filter deviceTDK CORP·Filed 2023·Granted Jun 3, 2025·1 cites·22 claims
- 0273US12308813B2Filter circuit and multilayered filter deviceTDK CORP·Filed 2023·Granted May 20, 2025·0 cites·20 claims
- 0368US12308502B2Multilayered filter deviceTDK CORP·Filed 2022·Granted May 20, 2025·0 cites·18 claims
- 0467US12218396B2Multi-layered band-pass filter deviceTDK CORP·Filed 2022·Granted Feb 4, 2025·0 cites·14 claims
- 0565US12334895B2Electronic componentTDK CORP·Filed 2023·Granted Jun 17, 2025·0 cites·6 claims
- 0655US2025087414A1Electronic componentTDK CORP·Filed 2024·Application pending·0 cites
- 0751US12294131B2Multilayered filter deviceTDK CORP·Filed 2022·Granted May 6, 2025·0 cites·10 claims
- 0847US11955681B2Band-pass filterTDK CORP·Filed 2021·Granted Apr 9, 2024·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →