KC

Kwan-Jen Chu

RT Richtek Technology: 42 patents #10 of 459Top 3%
PT Power Forest Technology: 7 patents #2 of 36Top 6%
TSMC: 4 patents #4,745 of 12,232Top 40%
Overall (All Time): #49,423 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
10079549 Synchronous rectification controller with pull-up and pull-down circuit and power conversion apparatus having the same 2018-09-18
10056845 Power conversion apparatus and synchronous rectification controller thereof 2018-08-21
9350251 Power conversion apparatus and over power protection method thereof 2016-05-24
9343976 Power supply apparatus with discharge circuit 2016-05-17
9343977 Power conversion apparatus and over power protection method thereof 2016-05-17
9059635 Power converter control circuit 2015-06-16
8890485 Charger circuit Nien-Hui Kung 2014-11-18
8762763 Single-wire transmission interface and method of transmission through single-wire Tsung-Wei Huang, Jien-Sheng Chen, Pao-Hsun Yu 2014-06-24
8742689 Light emitting diode driving apparatus 2014-06-03
8698449 Charger with detection of power input type Li-Wei Lee, Nien-Hui Kung, Ying-Hsin Hsing 2014-04-15
8648573 Charger and portable device having the same Li-Wei Lee, Nien-Hui Kung, Ying-Hsin Hsing 2014-02-11
8547078 Methods for light load efficiency improvement of a buck boost voltage regulator Tzu-Huan Chiu, Chien-Ping Lu, Wei-Hsin Wei 2013-10-01
8525484 Charger and portable device having the same Li-Wei Lee, Nien-Hui Kung, Ying-Hsin Hsing 2013-09-03
8400133 Output current detection of a voltage regulator Nien-Hui Kung 2013-03-19
8378640 Charging circuit with application system thereof Li-Wei Lee, Nien-Hui Kung, Hsuan-Kai Wang 2013-02-19
8294439 Buck-boost switching regulator and control circuit and method therefor Chien-Ping Lu, Tzu-Huan Chiu 2012-10-23
8283974 Fast start-up low-voltage bandgap reference voltage generator Nien-Hui Kung, Hsuan-Kai Wang 2012-10-09
8269461 Hybrid battery charger and control circuit and method thereof Nien-Hui Kung 2012-09-18
8248049 NMOSFET-base linear charger Nien-Hui Kung 2012-08-21
8203234 Power safety system Li-Wei Lee, Nien-Hui Kung, Chun-Tsung Chen 2012-06-19
8198830 Perceptually linear LED brightness control Shui-Mu Lin, Tsung-Wei Huang, Jien-Sheng Chen 2012-06-12
8169208 Output current detection of a voltage regulator Nien-Hui Kung 2012-05-01
8169198 Anti-ring asynchronous boost converter and anti-ring method for an asynchronous boost converter Shui-Mu Lin, Jien-Sheng Chen, Tsung-Wei Huang, Chao-Hsuan Chuang 2012-05-01
8169159 Boost converter LED driver and controller thereof Chien-Ping Lu, Wei-Hsin Wei, Tzu-Huan Chiu 2012-05-01
8159195 Overvoltage protection circuit for use in charger circuit system and charge circuit with overvoltage protection function Chien-Ping Lu, Nien-Hui Kung, Li-Wei Lee, Ying-Hsin Hsing, Chun-Tsung Chen 2012-04-17