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

Ming-Nan Chuang — 12 Patents

LTLeadtrend Technology: 10 patents #10 of 93Top 15%
AIAnalog Integrations: 1 patents #7 of 21Top 35%
Hsinchu, TW: #1,967 of 13,380 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Ming-Nan Chuang has been granted 12 US patents while listed as an inventor at Leadtrend Technology. The first was granted in 2003 and the most recent in June 2013. Ming-Nan Chuang ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ming-Nan Chuang in Hsinchu, TW.

Patents per Year

Patents granted per year, 2003 to 2013Bar chart with a peak of 3 patents in 2009.peak 32003: 1 patents20032006: 2 patents20062008: 2 patents20082009: 3 patents20092010: 2 patents20102013: 2 patents2013

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8471536 Switch controller for switching power supply and method thereof Tsung-Hsiu Wu, Wen-Chung Yeh 2013-06-25
8362750 Apparatus for preventing capacitor charger from overcharging and method thereof Yi-Shan Chu 2013-01-29
7821750 Voltage converter for preventing switch device from being damaged by voltage spike by utilizing protection circuit Yi-Shan Chu 2010-10-26
7772824 Control method for adjusting leading edge blanking time in power converting system Yuan-Wen Chang, Yu-Bin Wang, Yu-Chuan Liu 2010-08-10
7619909 Control circuit for adjusting leading edge blanking time and power converting system using the same control circuit Yuan-Wen Chang, Yu-Bin Wang, Yu-Chuan Liu 2009-11-17
7573730 Charging device with boundary mode control Yi-Shan Chu, Yu-Bin Wang 2009-08-11
7511974 High voltage charging circuit Yi-Shan Chu, Yuan-Wen Chang 2009-03-31
7446506 Apparatus for preventing capacitor charger from overcharging and method thereof Yi-Shan Chu 2008-11-04
7378824 Voltage converter capable of avoiding voltage drop occurring in input signal Meng-Chi Chiang, Yi-Shan Chu 2008-05-27
7106008 Flashlight control circuit Yu-Shan Chu 2006-09-12
6982882 High voltage charging circuit for charging a high voltage capacitor Yi-Shan Chu, Yuan-Wen Chang 2006-01-03
6621678 Thermal protection circuit and method for protecting power delivery circuit Dah-Jiun Wei 2003-09-16