Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YL

Yi-Wei Lee — 41 Patents

RTRichtek Technology: 21 patents #18 of 459Top 4%
AOAu Optronics: 15 patents #156 of 2,945Top 6%
TSMC: 3 patents #5,465 of 12,232Top 45%
PEPegatron: 1 patents #213 of 650Top 35%
Taipei, TW: #199 of 24,966 inventorsTop 1%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Yi-Wei Lee has been granted 41 US patents while listed as an inventor at Richtek Technology. The first was granted in 2008 and the most recent in December 2024. Yi-Wei Lee ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Yi-Wei Lee in Taipei, TW.

Patents per Year

Patents granted per year, 2008 to 2024Bar chart with a peak of 6 patents in 2016.peak 62008: 2 patents20082009: 3 patents2010: 3 patents20102011: 3 patents2012: 2 patents20122013: 2 patents2015: 3 patents20152016: 6 patents2017: 4 patents20172018: 2 patents2019: 4 patents20192020: 2 patents2021: 1 patents20212023: 2 patents2024: 2 patents2024

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12158707 Methods and systems for reducing particulate deposition on photomask Jui-Chieh Chen 2024-12-03 $39,095,000
11921971 Live broadcasting recording equipment, live broadcasting recording system, and live broadcasting recording method Kai-Ming Guo, Tian-Shen Wang, Zi-Xiang Xiao 2024-03-05
11693325 Methods and systems for reducing particulate deposition on photomask Jui-Chieh Chen 2023-07-04
11581797 Multiple outputs universal serial bus travel adaptor and control method thereof Wei-Hsu Chang, Shih-Jen Yang, Ta-Yung Yang 2023-02-14
11119420 Particle prevention method in lithography exposure apparatus Jui-Chieh Chen, Chih-Tsung Shih, Tsung Chuan Lee 2021-09-14 $13,316,000
10804883 Power supply apparatus and master power supply circuit, slave power supply circuit and control method thereof Isaac Y. Chen 2020-10-13
10587312 Transmission interface having noise reduction function Tong-Cheng Jao, Isaac Y. Chen 2020-03-10
10522956 Electronic Device Hsien-Tsung Lee, Shih-Hao Chen 2019-12-31
10498254 Power conversion device, slow soft-startup circuit, and power conversion chip Jyun-Che Ho, Isaac Y. Chen 2019-12-03
10476275 Multi-load control apparatus and slave circuit and control method thereof Chang-Yu Wu 2019-11-12
10355612 Flyback power converter circuit and secondary side controller circuit thereof Chien-Fu Tang, Su-Yuan Lin, Isaac Y. Chen 2019-07-16
10097092 Multi-phase switching regulator and control circuit and control method thereof Jyun-Che Ho, Yu-Chang Chen, Jo-Yu Wang, Isaac Y. Chen 2018-10-09
10014783 Switching regulator with PFC function and control circuit and control method thereof Chien-Yang Chen, Isaac Y. Chen, Ta-Yung Yang 2018-07-03
9781786 Control circuit and method of a LED driver Jyun-Che Ho, Isaac Y. Chen 2017-10-03
9755511 Current regulator circuit capable of reducing current ripple and method of reducing current ripple Isaac Y. Chen 2017-09-05
9655185 Linear LED driver and control method thereof Jiun-Hung Pan, Tong-Cheng Jao, Isaac Y. Chen 2017-05-16
9647531 Soft-start switching power converter Tong-Cheng Jao, Isaac Y. Chen 2017-05-09
9451661 Linear LED driver and control method thereof Tong-Cheng Jao, Jiun-Hung Pan, Isaac Y. Chen 2016-09-20
9398657 Light emitting device driver chip Tong-Cheng Jao, Isaac Y. Chen 2016-07-19
9307612 Light emitting device driver circuit and driving method of light emitting device circuit Tong-Cheng Jao, Isaac Y. Chen 2016-04-05
9277616 Light emitting device driver circuit Tong-Cheng Jao, Isaac Y. Chen 2016-03-01
9263940 Power converter and power factor corrector thereof Chien-Hung Chen, Isaac Y. Chen, Jyun-Che Ho 2016-02-16
9258857 Light emitting system and voltage conversion device thereof Tong-Cheng Jao, Isaac Y. Chen 2016-02-09
9119254 Light emitting device power supply circuit with dimming function and control circuit thereof Isaac Y. Chen, Tong-Cheng Jao, Chien-Yang Chen 2015-08-25
9112404 Multiplier-divider circuit and AC-to-DC power converting apparatus incorporating the same Chien-Hung Chen, Isaac Y. Chen, Jyun-Che Ho 2015-08-18