Inventor · disambiguated record
Ritsuko Nomura
Also filed as: NOMURA RITSUKO
4 granted patents·44 citations·filing 2003–2008
76Inventor score
Technology areasH02M
Files withRICOH KK4
Top patents by PatentIndex Score
4 records- 0163US6917190B2Power supply apparatus varying an output constant voltage in response to a control signal from a load circuitRICOH KK·Filed 2003·Granted Jul 12, 2005·19 cites·26 claims
- 0260US7570034B2Step-up/down DC-DC converterRICOH KK·Filed 2008·Granted Aug 4, 2009·5 cites·6 claims
- 0353US7391189B2Step-up/down DC-DC converterRICOH KK·Filed 2004·Granted Jun 24, 2008·10 cites·8 claims
- 0452US7095216B2Power supply method and apparatusRICOH KK·Filed 2003·Granted Aug 22, 2006·10 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →