Inventor · disambiguated record
Yoshinori Matsumaru
Also filed as: MATSUMARU YOSHINORI
9 granted patents·21 citations·filing 1998–2023
80Inventor score
Files withTDK CORP9
Top patents by PatentIndex Score
9 records- 0192US12323122B2Filter circuit and multilayered filter deviceTDK CORP·Filed 2023·Granted Jun 3, 2025·1 cites·22 claims
- 0292US11476822B2Band-pass filterTDK CORP·Filed 2021·Granted Oct 18, 2022·3 cites·11 claims
- 0390US11664778B2Band-pass filterTDK CORP·Filed 2022·Granted May 30, 2023·2 cites·13 claims
- 0473US12308813B2Filter circuit and multilayered filter deviceTDK CORP·Filed 2023·Granted May 20, 2025·0 cites·20 claims
- 0560US6215371B1Non-reciprocal circuit element with a capacitor between the shield conductor and ground to lower the operating frequencyTDK CORP·Filed 1998·Granted Apr 10, 2001·15 cites·8 claims
- 0656US10964994B2Nonreciprocal circuit element and communication apparatus using the sameTDK CORP·Filed 2019·Granted Mar 30, 2021·0 cites·14 claims
- 0754US11276909B2Nonreciprocal circuit element, manufacturing method of the same, and communication apparatus using the sameTDK CORP·Filed 2020·Granted Mar 15, 2022·0 cites·17 claims
- 0854US10992014B2Nonreciprocal circuit element and communication apparatus using the sameTDK CORP·Filed 2019·Granted Apr 27, 2021·0 cites·16 claims
- 0947US11955681B2Band-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 →