Inventor · disambiguated record
Tetsuya Koyanagi
Also filed as: KOYANAGI TETSUYA
1 granted patent·2 pending applications·0 citations·filing 2021–2025
3Inventor score
Technology areasH04R
Top patents by PatentIndex Score
3 records- 0144US2025358573A1Electroacoustic transducer and method for manufacturing electroacoustic transducerPANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 0243US2023292050A1Loudspeaker diaphragm, loudspeaker, electronic device, movable body, and method of manufacturing loudspeaker diaphragmPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 0340US11582557B2Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatusPANASONIC IP MAN CO LTD·Filed 2021·Granted Feb 14, 2023·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →