Inventor · disambiguated record
Akinobu Sawada
Also filed as: SAWADA AKINOBU
21 granted patents·3 pending applications·58 citations·filing 2004–2024
92Inventor score
Top patents by PatentIndex Score
24 records- 0184US7164375B2Analog to digital converter using both analog and digital offset voltages as feedbackROHM CO LTD·Filed 2005·Granted Jan 16, 2007·16 cites·13 claims
- 0282US9101011B2Lighting system including power conversion using a control signal based on illuminance information from a solar power generatorSAWADA AKINOBU·Filed 2011·Granted Aug 4, 2015·9 cites·3 claims
- 0382US8575860B2Light emitting device control circuit device and control method of the control circuit deviceKIKUCHI HIDEKAZU·Filed 2011·Granted Nov 5, 2013·5 cites·12 claims
- 0481US8922135B2Light emitter driving device and lighting appliance therewithSUMITANI TAKESHI·Filed 2012·Granted Dec 30, 2014·11 cites·11 claims
- 0580US11011969B2Switching control circuit, switching power supply, and electric apparatusROHM CO LTD·Filed 2019·Granted May 18, 2021·2 cites·11 claims
- 0678US2024418753A1Zero-crossing detection circuitROHM CO LTD·Filed 2024·Application pending·0 cites
- 0776US12105123B2Zero-crossing detection circuitROHM CO LTD·Filed 2023·Granted Oct 1, 2024·0 cites·10 claims
- 0876US9374083B2Switching current control circuit, LED dimmer system, and LED illumination deviceSAWADA AKINOBU·Filed 2012·Granted Jun 21, 2016·5 cites·12 claims
- 0975US11733275B2Zero-crossing detection circuitROHM CO LTD·Filed 2021·Granted Aug 22, 2023·0 cites·16 claims
- 1075US11181562B2Zero-crossing detection circuitROHM CO LTD·Filed 2018·Granted Nov 23, 2021·1 cites·24 claims
- 1172US9271365B2LED power supply deviceROHM CO LTD·Filed 2014·Granted Feb 23, 2016·2 cites·8 claims
- 1266US9066384B2Light emitting device control circuit device and control method of the control circuit deviceROHM CO LTD·Filed 2013·Granted Jun 23, 2015·1 cites·11 claims
- 1365US8922137B2Dimming control device, dimming control method and lighting apparatus provided with dimming control deviceSAWADA AKINOBU·Filed 2010·Granted Dec 30, 2014·2 cites·15 claims
- 1464US8890441B2Load driving device and LED lighting appliance therewithROHM CO LTD·Filed 2013·Granted Nov 18, 2014·2 cites·19 claims
- 1563US9101008B2Light emitter driving device and lighting appliance therewithROHM CO LTD·Filed 2014·Granted Aug 4, 2015·1 cites·11 claims
- 1660US12136870B2Buck converter having super-junction MOSFETROHM CO LTD·Filed 2021·Granted Nov 5, 2024·0 cites·17 claims
- 1756US9581655B2Lighting apparatusROHM CO LTD·Filed 2014·Granted Feb 28, 2017·0 cites·13 claims
- 1853US9420659B2LED power supply deviceROHM CO LTD·Filed 2016·Granted Aug 16, 2016·0 cites·11 claims
- 1951US8710995B2Lighting apparatusTANAKA MASAHIDE·Filed 2011·Granted Apr 29, 2014·0 cites·26 claims
- 2050US2008318627A1Portable communication terminalROHM CO LTD·Filed 2008·Application pending·0 cites
- 2149US7430443B2Portable communication terminalROHM CO LTD·Filed 2004·Granted Sep 30, 2008·1 cites·7 claims
- 2246US9844108B2Light-emitting-load driving device and illumination-light source device using sameROHM CO LTD·Filed 2015·Granted Dec 12, 2017·0 cites·15 claims
- 2343US2004266499A1Portable electronic apparatusROHM CO LTD·Filed 2004·Application pending·0 cites
- 2441US9553480B2Power systemSAWADA AKINOBU·Filed 2010·Granted Jan 24, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →