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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chi-Pin Chen — 5 Patents

LTLeadtrend Technology: 4 patents #27 of 93Top 30%
ITITRI: 1 patents #5,197 of 9,619Top 55%
Zhubei City, TW: #336 of 1,506 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Chi-Pin Chen has been granted 5 US patents while listed as an inventor at Leadtrend Technology. The first was granted in 2000 and the most recent in January 2019. Chi-Pin Chen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Chi-Pin Chen in Zhubei City, TW.

Patents per Year

Patents granted per year, 2000 to 2019Bar chart with a peak of 1 patents in 2000.peak 12000: 1 patents20002013: 1 patents20132017: 1 patents20172018: 1 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10193456 Pulse width modulation controller and relevant control method having minimum on time in response to voltage peak of line voltage Wei-Cheng Su 2019-01-29
9985529 Power control method and related apparatus capable of providing compensation to inductance variation 2018-05-29
9723664 Control methods and power converters suitable for TRIAC dimming Chang-Yi Lin, Kuo-Chien Huang 2017-08-01
8604646 Power management integrated circuit and power management method Ming-Ying Kuo, Chun-Teh Chen 2013-12-10
6033173 Automated access method and device for use with lead frame magazine end cover plates during IC packaging process Chien-Rong Huang, Shiue-Ru Wu, Yung-Chen Tsao 2000-03-07