Skip to content
Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Universities
Inventors
Cities
States
Technologies
Top Patents
Inventor 500
Select ranking year
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Home
›
2018
›
Leadtrend Technology
›
Hsin-Hung Lu
HL
Hsin-Hung Lu
— 2 Patents in 2018
LT
Leadtrend Technology
:
2
patents
#2
of
11
Top 20%
Zhubeikou, TW
:
#50
of
117
inventors
Top 45%
Overall
(2018):
#143,102
of
503,207
Top 30%
2
Patents 2018
Issued Patents
2018
Showing
1–2
of
2
patents
Patent #
Title
Co-Inventors
Date
9979304
Sample-and-hold circuit for generating a variable sample signal of a power converter and method thereof
Kuan-Hsien Chou
2018-05-22
9917523
Control methods and switching mode power supplies with improved dynamic response and reduced switching loss
Kuan-Hsien Chou
2018-03-13
Nearby-Ranked Inventors
Hsiu-Lin Peng
2
Hsiao-Hu Peng
2
Hsin-Jan Pai
2
Hsu-Che Nee
2
Hsingyu Lung
2
Hsieng Sen Lu
2
Hsiang-Ming Lu
2
Hsin-I Lu
2
Hsiao Yun Lo
2