Inventor · disambiguated record
Masahito Shoyama
Also filed as: SHOYAMA MASAHITO
3 granted patents·1 pending application·221 citations·filing 1987–2022
68Inventor score
Technology areasH02M
Top patents by PatentIndex Score
4 records- 0195US4772994APower source using high-frequency phase controlNISHIMU DENSHI KOGYO KK·Filed 1987·Granted Sep 20, 1988·219 cites·6 claims
- 0254US12231063B2Power conversion device, control device for power conversion device, and power conversion control methodFUJI ELECTRIC CO LTD·Filed 2022·Granted Feb 18, 2025·0 cites·9 claims
- 0354US9509211B2Bridgeless power factor improvement converterTDK CORP·Filed 2014·Granted Nov 29, 2016·2 cites·19 claims
- 0425US2017237338A1Electronic circuit and method for controlling the sameOMRON TATEISI ELECTRONICS CO·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →