Inventor · disambiguated record
Yoichi Tamegai
Also filed as: TAMEGAI YOICHI
18 granted patents·2 pending applications·217 citations·filing 2004–2020
94Inventor score
Top patents by PatentIndex Score
20 records- 0194US8044639B2Selector circuitROHM CO LTD·Filed 2008·Granted Oct 25, 2011·80 cites·9 claims
- 0287US10802078B2Current monitoring circuit and coulomb counter circuitROHM CO LTD·Filed 2018·Granted Oct 13, 2020·6 cites·15 claims
- 0385US10101399B2Apparatus for estimating residual battery capacity, system for estimating residual battery capacity, battery pack, and method for estimating residual battery capacityROHM CO LTD·Filed 2016·Granted Oct 16, 2018·2 cites·21 claims
- 0483US7579784B2Switching power supply and its control circuit, and electronic apparatus employing such switching power supplyROHM CO LTD·Filed 2005·Granted Aug 25, 2009·21 cites·9 claims
- 0582US7924540B2Over-voltage protection circuitROHM CO LTD·Filed 2008·Granted Apr 12, 2011·20 cites·11 claims
- 0682US7253596B2Power supply apparatus capable of supplying a stable converted voltageROHM CO LTD·Filed 2004·Granted Aug 7, 2007·42 cites·13 claims
- 0780US7863833B2DC/DC converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the sameROHM CO LTD·Filed 2007·Granted Jan 4, 2011·11 cites·11 claims
- 0872US8143815B2DC/DC converterTAMEGAI YOICHI·Filed 2010·Granted Mar 27, 2012·2 cites·6 claims
- 0965US10186959B2Power supply circuit, control circuit thereof, and electronic apparatusROHM CO LTD·Filed 2014·Granted Jan 22, 2019·2 cites·20 claims
- 1063US8159797B2Overvoltage protection circuitTAMEGAI YOICHI·Filed 2008·Granted Apr 17, 2012·6 cites·2 claims
- 1163US7248002B2Light emission control apparatus and light emission control method with temperature-sensitive driving current controlROHM CO LTD·Filed 2004·Granted Jul 24, 2007·9 cites·19 claims
- 1262US7994737B2Drive circuit of DC/DC converter, light emitting apparatus and electronic device using the sameROHM CO LTD·Filed 2006·Granted Aug 9, 2011·6 cites·8 claims
- 1362US7368884B2DC/DC converterROHM CO LTD·Filed 2006·Granted May 6, 2008·1 cites·12 claims
- 1461US8134106B2Current detection circuitTAMEGAI YOICHI·Filed 2006·Granted Mar 13, 2012·3 cites·23 claims
- 1559US7190195B2Input circuit and output circuitROHM CO LTD·Filed 2005·Granted Mar 13, 2007·1 cites·18 claims
- 1658US7960955B2Power supply device, electronic device using the same, and semiconductor deviceROHM CO LTD·Filed 2006·Granted Jun 14, 2011·5 cites·11 claims
- 1755US7781988B2DC/DC converterROHM CO LTD·Filed 2008·Granted Aug 24, 2010·0 cites·12 claims
- 1847US7894717B2Control circuit for self exciting DC/DC converterROHM CO LTD·Filed 2006·Granted Feb 22, 2011·0 cites·7 claims
- 1947US2022322589A1Electronic component reel set, electronic component module, and electric circuitROHM CO LTD·Filed 2020·Application pending·0 cites
- 2039US2017288439A1Signal processing circuit, coulomb counter circuit, and electronic deviceROHM CO LTD·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →