Inventor · disambiguated record
Jun Yabuzaki
Also filed as: YABUZAKI JUN
20 granted patents·232 citations·filing 1997–2022
94Inventor score
Files withFUJI ELECTRIC CO LTD10KOITO MFG CO LTD6YABUZAKI JUN2FUJI ELECTRIC TECHNOLOGY CO LT1FUJI ELECTRONIC DEVICE TECHNOL1
Top patents by PatentIndex Score
20 records- 0195US8379419B2Soft-stop overvoltage protection circuit for power factor correction type switching power supply unitFUJI ELECTRIC CO LTD·Filed 2010·Granted Feb 19, 2013·26 cites·13 claims
- 0292US9825540B2Switching power supply apparatusFUJI ELECTRIC CO LTD·Filed 2016·Granted Nov 21, 2017·9 cites·10 claims
- 0384US6340870B1Lighting circuit for discharge lampKOITO MFG CO LTD·Filed 2000·Granted Jan 22, 2002·49 cites·8 claims
- 0478US6208089B1Discharge-lamp lighting circuitKOITO MFG CO LTD·Filed 2000·Granted Mar 27, 2001·21 cites·16 claims
- 0578US6002215ALighting circuit for discharge lampKOITO MFG CO LTD·Filed 1998·Granted Dec 14, 1999·43 cites·11 claims
- 0673US10291133B2Switching power supply deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted May 14, 2019·2 cites·16 claims
- 0772US10469064B2Power converterFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 5, 2019·2 cites·13 claims
- 0871US8310795B2Power factor correction type switching power supply unitYABUZAKI JUN·Filed 2010·Granted Nov 13, 2012·4 cites·9 claims
- 0970US8716988B2Power factor correction type switching power supply unitYABUZAKI JUN·Filed 2010·Granted May 6, 2014·4 cites·12 claims
- 1066US9240713B2Switching power supply deviceFUJI ELECTRIC CO LTD·Filed 2014·Granted Jan 19, 2016·2 cites·9 claims
- 1166US9036383B2Power supply device control circuitFUJI ELECTRIC CO LTD·Filed 2013·Granted May 19, 2015·2 cites·6 claims
- 1265US5973457ALighting circuit for discharge lampKOITO MFG CO LTD·Filed 1998·Granted Oct 26, 1999·25 cites·14 claims
- 1362US6087776ADischarge lamp lighting circuit with protection circuitKOITO MFG CO LTD·Filed 1998·Granted Jul 11, 2000·23 cites·17 claims
- 1458US12155311B2Integrated circuit for load-state-based control and power supply circuit containing the sameFUJI ELECTRIC CO LTD·Filed 2022·Granted Nov 26, 2024·0 cites·20 claims
- 1555US12289052B2Integrated circuit and power supply circuitFUJI ELECTRIC CO LTD·Filed 2022·Granted Apr 29, 2025·0 cites·9 claims
- 1652US7564228B2Switching regulatorFUJI ELECTRONIC DEVICE TECHNOL·Filed 2007·Granted Jul 21, 2009·4 cites·7 claims
- 1750US12244233B2Integrated circuit having switching control and power supply circuit including the sameFUJI ELECTRIC CO LTD·Filed 2022·Granted Mar 4, 2025·0 cites·19 claims
- 1849US5914566ALighting circuit for applying a negative AC voltage to a discharge lampKOITO MFG CO LTD·Filed 1997·Granted Jun 22, 1999·16 cites·13 claims
- 1946US10581332B2Dimmer and power converterFUJI ELECTRIC CO LTD·Filed 2018·Granted Mar 3, 2020·0 cites·9 claims
- 2040US7629668B2Composite semiconductor deviceFUJI ELECTRIC TECHNOLOGY CO LT·Filed 2008·Granted Dec 8, 2009·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →