Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 2025
Search
Companies
Inventors
Cities
States
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
›
Companies
›
Changzhou T&D International Trading Co.
Partial year:
Data through Q3 2025 (Sept 30). Full-year totals not yet available.
CC
Changzhou T&D International Trading Co.
— 5 Patents in 2025
Rank
(2025):
#6,069
of
24,532
Top 25%
1
inventors
5
Patents 2025
Top Inventors at Changzhou T&D International Trading Co.
2025
Showing
1–1
of
1
inventors
Rank
Name
Patents
1
Weidong Sang
5
Related Companies
Chengdu Boe Display Sci-Tech Co.
5
Chemetall Gmbh
5
Chd Holdings
5
Chart
5
Charm Industrial
5
Changzhou Shine Science & Technology Co.
5
Changzhou Institute Of Technology
5
Changzhou Aac Raytech Optronics Co.
5
Chang Chun Plastics Co.
5