Inventor · disambiguated record
Koichi Hagino
Also filed as: HAGINO KOICHI
5 granted patents·1 pending application·28 citations·filing 2006–2011
76Inventor score
Top patents by PatentIndex Score
6 records- 0179US7564196B2Power supply device, and LED device and electronic device using sameRICOH KK·Filed 2008·Granted Jul 21, 2009·10 cites·10 claims
- 0267US7646179B2Electric power supply circuit and electronic deviceRICOH KK·Filed 2007·Granted Jan 12, 2010·10 cites·9 claims
- 0359US7663406B2Output circuitRICOH KK·Filed 2008·Granted Feb 16, 2010·4 cites·3 claims
- 0447US7884584B2Switching power supply circuitRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·2 cites·10 claims
- 0544US7619400B2Compact voltage step-up/step-down switching regulatorRICOH KK·Filed 2006·Granted Nov 17, 2009·2 cites·12 claims
- 0631US2011187452A1Sound and music playback deviceRICOH CO LTD·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →