Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
QW

Qiang Wei — 57 Patents

HOHoriba: 6 patents #63 of 604Top 15%
SCSuzhou Pengxu Pharmatech Co.: 4 patents #7 of 21Top 35%
NCNubia Technology Co.: 4 patents #4 of 30Top 15%
Huawei: 3 patents #4,041 of 15,535Top 30%
NCNio Technology (Anhui) Co.: 3 patents #41 of 297Top 15%
SISouthwest Research Institute: 3 patents #198 of 935Top 25%
Panasonic: 2 patents #9,678 of 21,108Top 50%
FOFortemedia: 2 patents #34 of 97Top 40%
FBFreie Universität Berlin: 2 patents #3 of 64Top 5%
HIHoriba Instruments Incorporated: 2 patents #15 of 62Top 25%
SUSouthwest Petroleum University: 2 patents #222 of 1,158Top 20%
TSTrevi Systems: 2 patents #3 of 7Top 45%
BOBOE: 2 patents #5,928 of 12,373Top 50%
CTChemat Technology: 2 patents #7 of 21Top 35%
CACovestro Deutschland Ag: 1 patents #436 of 964Top 50%
TUTsinghua University: 1 patents #1,221 of 2,815Top 45%
JUJiangnan University: 1 patents #442 of 1,321Top 35%
UMUniversity Of Massachusetts: 1 patents #755 of 1,810Top 45%
GTGuangdong University Of Technology: 1 patents #141 of 459Top 35%
ESEsteve Quimica S.A.: 1 patents #11 of 48Top 25%
Shanghai, CA: #88 of 801 inventorsTop 15%
Overall (All Time): #42,170 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
7647810 Solid particle counting system with flow meter upstream of evaporation unit Scott Thomas Porter, Ichiro Asano, Montajir Rahman, Takeshi Kusaka 2010-01-19
7389703 Sampler for engine exhaust dilution Ichiro Asano 2008-06-24
7387038 Wide range constant concentration particle generating system Ichiro Asano 2008-06-17
7201071 Wide range continuous diluter Ichiro Asano 2007-04-10
6813584 Micro azimuth-level detector based on micro electro-mechanical systems and a method for determination of attitude Zhaoying Zhou, Rong Zhu, Xiaohao Wang, Xiongying Ye, Shenshu Xiong +3 more 2004-11-02
6551533 Method of forming fibrous materials and articles therefrom Yuhong Huang, Haixing Zheng 2003-04-22
6383406 Method for preparing high cure temperature rare earth iron compound magnetic material Yuhong Huang, Haixing Zheng 2002-05-07