Inventor · disambiguated record
Kuang-Fu Chang
Also filed as: CHANG KUANG-FU
18 granted patents·5 pending applications·44 citations·filing 2010–2025
91Inventor score
Top patents by PatentIndex Score
23 records- 0187US8533508B2Apparatus and method for reducing the standby power consumption of a display, and display with low standby power consumptionCHANG KUANG-FU·Filed 2010·Granted Sep 10, 2013·12 cites·20 claims
- 0285US10320304B2Power converter and secondary side controller and short circuit determination method for current sensing resistor of the power converterRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Jun 11, 2019·5 cites·13 claims
- 0383US9362834B2Flyback power supply circuit with programmable function and control method thereofTANG CHIEN-FU·Filed 2015·Granted Jun 7, 2016·5 cites·23 claims
- 0479US9614449B2Flyback power converter with programmable output and control circuit and control method thereofRICHTEK TECHNOLOGY CORP·Filed 2015·Granted Apr 4, 2017·3 cites·17 claims
- 0578US9853554B2Flyback converter and control circuit with standby modeRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Dec 26, 2017·3 cites·15 claims
- 0676US10786163B2Blood pressure measurement devices and methodsCARDIO RING TECH INC·Filed 2019·Granted Sep 29, 2020·3 cites·22 claims
- 0774US8390964B2Protection apparatus and method for an isolated type power supplyCHANG KUANG-FU·Filed 2010·Granted Mar 5, 2013·4 cites·9 claims
- 0873US10505461B2Flyback power converter circuit and primary side controller circuit and method thereofRICHTEK TECHNOLOGY CORP·Filed 2018·Granted Dec 10, 2019·2 cites·21 claims
- 0970US9627982B2Flyback power converter and control circuit thereofLIN KUN-YU·Filed 2015·Granted Apr 18, 2017·2 cites·21 claims
- 1066US9601983B2Flyback power converter with weighted frequency and quasi-resonanceCHANG KUANG-FU·Filed 2015·Granted Mar 21, 2017·2 cites·20 claims
- 1164US10218280B2Power converter, switch control circuit and short circuit detection method for current sensing resistor of the power converterRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Feb 26, 2019·1 cites·15 claims
- 1262US8811043B2Switching regulator capable of suppressing inrush current and control circuit thereofCHANG KUANG-FU·Filed 2012·Granted Aug 19, 2014·2 cites·6 claims
- 1355US12144595B2Blood pressure measurement devices and methodsCARDIO RING TECH INC·Filed 2020·Granted Nov 19, 2024·0 cites·10 claims
- 1455US11496055B2Power converter, switch control circuit and short circuit detection method for current sensing resistor of the power converterRICHTEK TECHNOLOGY CORP·Filed 2019·Granted Nov 8, 2022·0 cites·2 claims
- 1551US10153703B2Flyback power converter with programmable output and control circuit and control method thereofRICHTEK TECHNOLOGY CORP·Filed 2017·Granted Dec 11, 2018·0 cites·17 claims
- 1649US2022096013A1Bioinformation measuring deviceCARDIO RING TECH INC·Filed 2021·Application pending·0 cites
- 1746US2024341282A1Domesticated fowl health monitoring system and methodICHASE CO LTD·Filed 2022·Application pending·0 cites
- 1845US2021093209A1Optical blood pressure measurement devices and methodsCARDIO RING TECH INC·Filed 2020·Application pending·0 cites
- 1945US2024206434A1System and method for testing poultry responseICHASE CO LTD·Filed 2023·Application pending·0 cites
- 2044US12484555B2Poultry voiceprint identification method and systemICHASE CO LTD·Filed 2023·Granted Dec 2, 2025·0 cites·14 claims
- 2142US10686366B2Flyback power converter having overly high voltage protection and primary side controller circuit thereofRICHTEK TECHNOLOGY CORP·Filed 2019·Granted Jun 16, 2020·0 cites·17 claims
- 2241US2025292610A1Intelligent poultry farming auxiliary system and methodICHASE CO LTD·Filed 2025·Application pending·0 cites
- 2330US9627984B2Isolated power supply circuit with programmable function and control method thereofCHANG KUANG-FU·Filed 2015·Granted Apr 18, 2017·0 cites·16 claims
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