Inventor · disambiguated record
Masafumi Katsuno
Also filed as: KATSUNO MASAFUMI
4 granted patents·4 pending applications·68 citations·filing 1997–2020
78Inventor score
Files withTOKIN CORP8
Top patents by PatentIndex Score
8 records- 0168US6278227B1Piezoelectric transformerTOKIN CORP·Filed 2000·Granted Aug 21, 2001·15 cites·9 claims
- 0266US6051915APiezoelectric transformerTOKIN CORP·Filed 1997·Granted Apr 18, 2000·25 cites·9 claims
- 0359US5998909APiezoelectric transformerTOKIN CORP·Filed 1997·Granted Dec 7, 1999·18 cites·14 claims
- 0446US5847490APiezoelectric transformer wrapped by wrapping member of soft insulating sheet materialTOKIN CORP·Filed 1997·Granted Dec 8, 1998·10 cites·19 claims
- 0540US2021044903A1Piezoelectric speakerTOKIN CORP·Filed 2020·Application pending·0 cites
- 0633US2018041839A1Piezoelectric speakerTOKIN CORP·Filed 2016·Application pending·0 cites
- 0733US2018035200A1Vibration transfer structure and piezoelectric speakerTOKIN CORP·Filed 2016·Application pending·0 cites
- 0833US2017257706A1Sound generating unit and electronic deviceTOKIN CORP·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masafumi Katsuno files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →