Inventor · disambiguated record
Keiji Shigeoka
Also filed as: SHIGEOKA KEIJI
13 granted patents·82 citations·filing 2004–2015
90Inventor score
Top patents by PatentIndex Score
13 records- 0187US7570501B2DC-DC converter with capacitor precharging and duty ratio limitingDENSO CORP·Filed 2007·Granted Aug 4, 2009·19 cites·3 claims
- 0284US9413566B2Signal transmission circuitDENSO CORP·Filed 2015·Granted Aug 9, 2016·6 cites·9 claims
- 0377US7289338B2Input to output isolated DC-DC converterNIPPON SOKEN·Filed 2005·Granted Oct 30, 2007·8 cites·8 claims
- 0477US7254046B2DC-DC converterNIPPON SOKEN·Filed 2004·Granted Aug 7, 2007·25 cites·20 claims
- 0571US9270505B2Communication systemDENSO CORP·Filed 2015·Granted Feb 23, 2016·2 cites·16 claims
- 0671US7825765B2DC-DC converterDENSO CORP·Filed 2009·Granted Nov 2, 2010·7 cites·17 claims
- 0762US9071149B2Electric power conversion circuitDENSO CORP·Filed 2013·Granted Jun 30, 2015·2 cites·12 claims
- 0860US7269035B2Switching device and related operating methodNIPPON SOKEN·Filed 2006·Granted Sep 11, 2007·5 cites·19 claims
- 0957US7589432B2Device for controlling controlled variable by on/off switching operations with less noise mannerDENSO CORP·Filed 2006·Granted Sep 15, 2009·5 cites·18 claims
- 1054US7738269B2Switching device and related operating methodDENSO CORP·Filed 2006·Granted Jun 15, 2010·2 cites·19 claims
- 1147US8412390B2Information presentation deviceSANMA NORIO·Filed 2010·Granted Apr 2, 2013·1 cites·13 claims
- 1240US9621046B2Power converter for driving a switch based on current command and current flowing thereinDENSO CORP·Filed 2013·Granted Apr 11, 2017·0 cites·9 claims
- 1339US9184736B2Current mode controlled power converterDENSO CORP·Filed 2013·Granted Nov 10, 2015·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →