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USPTO Patent Rankings Data through Dec 31, 2025
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QC

Qianjun Chen — 13 Patents

UOUop: 12 patents #252 of 1,854Top 15%
CUChangzhou University: 1 patents #113 of 358Top 35%
SUSouthwest Petroleum University: 1 patents #417 of 1,158Top 40%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Qianjun Chen has been granted 13 US patents while listed as an inventor at Uop. The first was granted in 1996 and the most recent in April 2025. Qianjun Chen ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Qianjun Chen in Sichuan, IL, CN.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 3 patents in 1999.peak 31996: 2 patents19961999: 3 patents19992000: 2 patents20002001: 3 patents20012002: 2 patents20022025: 1 patents2025

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12264353 Method for cyclic biochemical conversion of carbon dioxide and hot gas cogeneration in depleted oil and gas reservoir Zhengmeng Hou, Lin Wu, Liangchao Huang, Zhifeng Luo, Jianhua Liu +3 more 2025-04-01
6388159 Xylene isomerization process using UZM-5 and UZM-6 zeolites Deng-Yang Jan, Gregory J. Lewis, Jaime G. Moscoso, Mark A. Miller 2002-05-14
6358400 Selective reforming process for the production of aromatics Paula L. Bogdan, Jaime G. Moscoso, Jeffery C. Bricker 2002-03-19
6280608 Layered catalyst composition and processes for preparing and using the composition Robert H. Jensen, Jeffery C. Bricker, Masaru Tatsushima, Kenji Kikuchi, Masao Takayama +3 more 2001-08-28
6177381 Layered catalyst composition and processes for preparing and using the composition Robert H. Jensen, Jeffrey C. Bricker, Masaru Tatsushima, Kenji Kikuchi, Masao Takayama +3 more 2001-01-23
6177601 Isomer-selective aromatization process and catalyst Paula L. Bogdan, Jaime G. Moscoso, Jeffery C. Bricker 2001-01-23
6132595 Reforming with selective multimetallic multigradient catalyst Paula L. Bogdan 2000-10-17
6066251 Reforming process using a catalyst system with differentiated acid properties Paula L. Bogdan 2000-05-23
5885443 Reforming with selective multimetallic multigradient catalyst Paula L. Bogdan 1999-03-23
5883032 Selective multimetallic multigradient reforming catalyst Paula L. Bogdan 1999-03-16
5880051 Reforming catalyst system with differentiated acid properties Paula L. Bogdan 1999-03-09
5559068 Reforming/dehydrocyclization catalysts Peter K. Coughlin, Regis J. Pellet 1996-09-24
5520796 Reforming/dehydrocyclization catalysts Peter K. Coughlin, Regis J. Pellet 1996-05-28

Frequent Collaborators

Paula L. Bogdan7 shared
Jaime G. Moscoso3 shared
Jeffery C. Bricker3 shared
Kenji Kikuchi2 shared
Masao Takayama2 shared
Peter K. Coughlin2 shared

Nearby-Ranked Inventors

Jianping Shen13
Eric John Telfeyan13
George R. Breiwa, III13
Thomas Sugar13
Andrew Howley13
Howard Halpern13
Po-Yuan Wang13
Douglas Vanesko13
Tanuj Trivedi13