Inventor · disambiguated record
Tomohiro Oka
Also filed as: OKA TOMOHIRO
10 granted patents·3 pending applications·31 citations·filing 2002–2025
82Inventor score
Top patents by PatentIndex Score
13 records- 0170US6580253B2Boosting and step-down switching regulator controlling circuit and boosting and step-down switching regulator for use in the sameSEIKO INSTR INC·Filed 2002·Granted Jun 17, 2003·25 cites·11 claims
- 0265US9571094B2Switch circuitSEIKO INSTR INC·Filed 2016·Granted Feb 14, 2017·2 cites·2 claims
- 0361US2025387549A1OxygenatorTERUMO CORP·Filed 2025·Application pending·0 cites
- 0454US8797070B2Power-on reset circuitSEIKO INSTR INC·Filed 2013·Granted Aug 5, 2014·1 cites·1 claims
- 0552US10908193B2Zero cross detection circuit and sensor deviceABLIC INC·Filed 2019·Granted Feb 2, 2021·0 cites·8 claims
- 0649US7835188B2Semiconductor memory deviceSEIKO INSTR INC·Filed 2009·Granted Nov 16, 2010·2 cites·16 claims
- 0748US8179729B2Memory circuit and voltage detection circuit including the sameWATANABE KOTARO·Filed 2010·Granted May 15, 2012·1 cites·7 claims
- 0845US9274170B2Semiconductor deviceSEIKO INSTR INC·Filed 2014·Granted Mar 1, 2016·0 cites·3 claims
- 0936US7911259B2Voltage switching circuitSEIKO INSTR INC·Filed 2007·Granted Mar 22, 2011·0 cites·5 claims
- 1035US9054683B2Boosting circuitSEIKO INSTR INC·Filed 2013·Granted Jun 9, 2015·0 cites·6 claims
- 1133US2010123512A1Booster circuitIMAI YASUSHI·Filed 2009·Application pending·0 cites
- 1233US2007210776A1Switching power source apparatusSEIKO INSTR INC·Filed 2007·Application pending·0 cites
- 1324US8203378B2Boosting circuitOTANI AYAKA·Filed 2010·Granted Jun 19, 2012·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →