Inventor · disambiguated record
Joseph James Roosma
Also filed as: ROOSMA JOSEPH JAMES
3 granted patents·14 citations·filing 2011–2017
63Inventor score
Top patents by PatentIndex Score
3 records- 0182US8737094B2Transformer drive for low conduction loss rectifier in flyback converterSEOK KYOUNG WOOK·Filed 2011·Granted May 27, 2014·8 cites·20 claims
- 0280US9793352B1IGBT assembly having saturable inductor for soft landing a diode recovery currentSEOK KYOUNG WOOK·Filed 2011·Granted Oct 17, 2017·6 cites·26 claims
- 0349US10249716B1IGBT assembly having saturable inductor for soft landing a diode recovery currentIXYS LLC·Filed 2017·Granted Apr 2, 2019·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →