Inventor · disambiguated record
Kazunobu Oi
Also filed as: OI KAZUNOBU
10 granted patents·23 citations·filing 2009–2022
84Inventor score
Top patents by PatentIndex Score
10 records- 0185US11303220B2Flying capacitor (FC)-type 3-level power conversion deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2020·Granted Apr 12, 2022·2 cites·6 claims
- 0285US8971066B2Harmonic current suppression method and harmonic current suppression device of power conversion deviceOI KAZUNOBU·Filed 2011·Granted Mar 3, 2015·7 cites·20 claims
- 0373US9400508B2Periodicity disturbance suppression device and periodicity disturbance suppression methodYAMAGUCHI TAKASHI·Filed 2012·Granted Jul 26, 2016·3 cites·14 claims
- 0469US11569756B2Flying capacitor type 3-level power conversion deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2022·Granted Jan 31, 2023·0 cites·2 claims
- 0565US8560136B2System stabilizing deviceOI KAZUNOBU·Filed 2009·Granted Oct 15, 2013·2 cites·2 claims
- 0651US10256622B2Direct-current interruption deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2015·Granted Apr 9, 2019·0 cites·10 claims
- 0751US8483885B2System stabilizing deviceOI KAZUNOBU·Filed 2009·Granted Jul 9, 2013·2 cites·4 claims
- 0849US8527106B2System stabilization deviceMUNESHIMA MASAKAZU·Filed 2009·Granted Sep 3, 2013·3 cites·8 claims
- 0949US8457804B2System stabilizing deviceOI KAZUNOBU·Filed 2009·Granted Jun 4, 2013·2 cites·6 claims
- 1049US8452462B2System stabilizing deviceMUNESHIMA MASAKAZU·Filed 2009·Granted May 28, 2013·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Kazunobu Oi 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 →