Inventor · disambiguated record
Osamu Ohtake
Also filed as: OHTAKE OSAMU
24 granted patents·37 citations·filing 2006–2022
92Inventor score
Top patents by PatentIndex Score
24 records- 0184US7382633B2DC converterSANKEN ELECTRIC CO LTD·Filed 2006·Granted Jun 3, 2008·16 cites·30 claims
- 0281US10910952B1Control apparatus and method for current resonance circuit and current resonance power supplySANKEN ELECTRIC CO LTD·Filed 2019·Granted Feb 2, 2021·3 cites·10 claims
- 0380US9455640B2Switching power-supply deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Sep 27, 2016·4 cites·4 claims
- 0475US9331584B2Switching power-supply deviceSANKEN ELECTRIC CO LTD·Filed 2014·Granted May 3, 2016·4 cites·3 claims
- 0574US9564826B2Current resonant power supply deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Feb 7, 2017·3 cites·8 claims
- 0670US10826311B2Alternating-current voltage detection circuitSANKEN ELECTRIC CO LTD·Filed 2019·Granted Nov 3, 2020·1 cites·5 claims
- 0767US10224730B2Capacitor discharge circuitSANKEN ELECTRIC CO LTD·Filed 2017·Granted Mar 5, 2019·1 cites·7 claims
- 0867US8547028B2Constant current power supply deviceOHTAKE OSAMU·Filed 2011·Granted Oct 1, 2013·3 cites·5 claims
- 0964US9338844B2LED lighting apparatusSANKEN ELECTRIC CO LTD·Filed 2015·Granted May 10, 2016·1 cites·3 claims
- 1062US9774262B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2014·Granted Sep 26, 2017·1 cites·5 claims
- 1157US10608536B2Power conversion device and control circuitSANKEN ELECTRIC CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·9 claims
- 1256US10879786B2Power conversion device and control circuitSANKEN ELECTRIC CO LTD·Filed 2020·Granted Dec 29, 2020·0 cites·6 claims
- 1353US12119742B2Integrated circuit and method of digitally controling critical mode power factor correction circuitSANKEN ELECTRIC CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·3 claims
- 1453US12113436B2Integrated circuit and method of synchronous rectification control of bridgeless power factor correction circuitSANKEN ELECTRIC CO LTD·Filed 2022·Granted Oct 8, 2024·0 cites·7 claims
- 1552US9871455B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted Jan 16, 2018·0 cites·2 claims
- 1652US9306383B2Low current protection circuitSANKEN ELECTRIC CO LTD·Filed 2014·Granted Apr 5, 2016·0 cites·4 claims
- 1750US9985536B2Current resonant power supply deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted May 29, 2018·0 cites·6 claims
- 1850US9979297B2Current resonant power supply deviceSANKEN ELECTRIC CO LTD·Filed 2017·Granted May 22, 2018·0 cites·5 claims
- 1949US10608526B2Device and method for calculating switching timeSANKEN ELECTRIC CO LTD·Filed 2018·Granted Mar 31, 2020·0 cites·16 claims
- 2048US9754740B2Switching control circuit and switching power-supply deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Sep 5, 2017·0 cites·14 claims
- 2144US10389247B2Power conversion device and control circuit including stop transitioning to stop stateSANKEN ELECTRIC CO LTD·Filed 2018·Granted Aug 20, 2019·0 cites·14 claims
- 2240US9716427B2Power factor correction circuit having bottom skip controllerSANKEN ELECTRIC CO LTD·Filed 2015·Granted Jul 25, 2017·0 cites·3 claims
- 2337US9641088B2Current resonant power source apparatusSANKEN ELECTRIC CO LTD·Filed 2015·Granted May 2, 2017·0 cites·12 claims
- 2437US9444352B2Current resonance type power supply deviceSANKEN ELECTRIC CO LTD·Filed 2015·Granted Sep 13, 2016·0 cites·5 claims
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