Hung-Ching Lee — 17 Patents at Leadtrend Technology

Hung-Ching Lee has been granted 17 US patents while listed as an inventor at Leadtrend Technology. The first was granted in 2004 and the most recent in February 2025. Hung-Ching Lee ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Hung-Ching Lee in Dashulong, TW.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12224669	Flyback power converter and secondary-side control method thereof	Chung-Wei Lin, Tzu-Chen Lin	2025-02-11
11990845	Secondary controller applied to a secondary side of a power converter and operation method thereof	Chung-Wei Lin, Hong Lin, Tsung-Chien Wu	2024-05-21
11557975	Power supplies with synchronous rectification	Chung-Wei Lin, Tsung-Chien Wu, Bo Wu	2023-01-17
11128227	Secondary controller applied to a secondary side of a power converter and operation method thereof	Chung-Wei Lin, Tsung-Chien Wu, Bo Wu	2021-09-21
10756639	Secondary controller applied to a secondary side of a power converter and operation method thereof	Chung-Wei Lin	2020-08-25
10694602	Ripple suppressor	Ruei-Jhih Jheng, Chun-Hsin Li	2020-06-23
10397997	Dimming controllers and dimming methods capable of receiving PWM dimming signal and DC dimming signal	Chun-Hsin Li, Wei-Cheng Su, Chung-Wei Lin	2019-08-27
10199948	Standby power control for a flyback USB device using primary side frequency and data port sensing	Yao-Tsung Chen, Mao-Shih Li, San-Yi Li	2019-02-05
9113506	Circuit with adjustable phase delay and a feedback voltage and method for adjusting phase delay and a feedback voltage	Yeu-Torng Yau, Wei-Chi Huang	2015-08-18
9101033	Short protection control circuits and related control methods	Chung-Wei Lin, Wei-Chi Huang, Tsung-Liang Hung, Pai-Feng Liu	2015-08-04
8604720	Light emitting diode driving method	Dang-Ko Wang, Ching-Chou Yu	2013-12-10	$232,000
8541956	Light emitting diode driving method and driving circuit	Ching-Chou Yu, Sheng-Kai Hsu, Dang-Ko Wang	2013-09-24	$305,000
8305012	Light-emitting adjustment method and display device	Chien-Ming Ko, Chih-Fu Hsu, Yueh-Han Li	2012-11-06	$410,000
8217592	Light emitting diode driving device and driving method thereof	Ching-Chou Yu, Po-Tang Hsu	2012-07-10	$358,000
8084959	Light emitting diode backlight module and driving apparatus and method thereof	Ching-Chou Yu, Chien-Ming Ko, Yueh-Han Li	2011-12-27	$1,328,000
7956375	Light emitting diode structure having a textured package lens	Yueh-Han Li, Po-Tang Hsu, Chien-Ming Ko, Chih-Wei Lin	2011-06-07	$470,000
6722773	Illuminating device and tube-like lamp thereof	Yi Te Tsai, Chou-Yu Kang, Han Lin	2004-04-20

Hung-Ching Lee — 17 Patents

Issued Patents All Time

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