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

Chunhua Li — 180 Patents

ATAlign Technology: 109 patents #3 of 483Top 1%
L'L'Oreal: 37 patents #36 of 2,221Top 2%
L'L'Oréal: 12 patents #4 of 229Top 2%
Pitney Bowes: 4 patents #389 of 1,313Top 30%
HCHefei Boe Optoelectronics Technology Co.: 3 patents #187 of 784Top 25%
CACovestro Deutschland Ag: 3 patents #190 of 964Top 20%
CPCovestro Intellectual Property: 3 patents #12 of 267Top 5%
BOBOE: 3 patents #4,818 of 12,373Top 40%
TCTsann Kuen (Zhangzhou) Enterprise Co.: 2 patents #31 of 130Top 25%
HUHisense Usa: 2 patents #179 of 316Top 60%
HTHuazhong University Of Science And Technology: 1 patents #389 of 1,292Top 35%
TCTsann Kuen(China) Enterprise Co.: 1 patents #7 of 40Top 20%
HCHisense Electric Co.: 1 patents #68 of 151Top 50%
Cupertino, CA: #32 of 6,989 inventorsTop 1%
California: #696 of 386,348 inventorsTop 1%
Overall (All Time): #4,247 of 4,157,543Top 1%
180 Patents All Time
Chunhua Li has been granted 180 US patents while listed as an inventor at Align Technology. The first was granted in 1997 and the most recent in September 2025. Chunhua Li ranks #4,247 of 4,157,543 US inventors in our database (top 0.10%). Patent records list Chunhua Li in Cupertino, CA, US.

Issued Patents All Time

Showing 1–25 of 180 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12427758 Multi-layer film with improved modulus properties Heinz Pudleiner, Klaus Meyer, Jurgen Winkler, Wolfgang Brauer, Joerg Nickel +2 more 2025-09-30
12426992 Systems including orthodontic appliance cases and methods of use Yaser Shanjani, Bruce Cam, Jun Sato, John Morton, Victor Chen +2 more 2025-09-30
12409600 Methods of forming a dental appliance Yan Chen 2025-09-09
12350885 Systems for post-processing additively manufactured objects Viswanath Meenakshisundaram, Srinivas Kaza, Lance Robert Pickens, Shawn Stromenger, Jun Sato +4 more 2025-07-08
12329677 Systems and methods for mandibular advancement Bruce Cam, Crystal Tjhia, Vadim Matov, John Morton 2025-06-17
12324722 Multilayer dental appliances and related methods and systems Yan Chen, Heinz Pudleiner, Klaus Meyer, Joerg Nickel, Craig Pehlert 2025-06-10
12324721 Dental attachment positioning apparatuses Peter Webber, Yan Chen, Jihua Cheng, Bastien Pesenti, Jennifer C. Chen 2025-06-10
12319002 Systems for post-processing additively manufactured objects Viswanath Meenakshisundaram, Srinivas Kaza, Lance Robert Pickens, Shawn Stromenger, Jun Sato +4 more 2025-06-03
12310813 Orthodontic attachment devices Avi Kopelman 2025-05-27
12274597 Dental attachment template tray systems Avi Kopelman 2025-04-15
12275191 Systems and methods for post-processing additively manufactured objects Viswanath Meenakshisundaram, Srinivas Kaza, Lance Robert Pickens, Shawn Stromenger, Jun Sato +4 more 2025-04-15
12240176 Methods for post-processing additively manufactured objects with sensor feedback Viswanath Meenakshisundaram, Srinivas Kaza, Lance Robert Pickens, Shawn Stromenger, Jun Sato +4 more 2025-03-04
12232929 Methods and devices for jaw repositioning Ken Wu, Eric Kuo, Mitra Derakhshan, Crystal Tjhia, Eric YAU +2 more 2025-02-25
12232928 Systems for determining patient compliance with an orthodontic treatment or retention plan Yaser Shanjani, Bruce Cam, Jun Sato, John Morton, Victor Chen +2 more 2025-02-25
12226280 Direct fabrication of orthodontic appliances with 4D printing Avi Kopelman, Michael Christopher Cole, Blaine CARTER, Matthew Marc Durban 2025-02-18
12193907 Systems and methods including palatal expanders with anchor interfaces Jeremy RILEY, Eric Kuo 2025-01-14
12185743 Processes for transglucosylation of steviol glycosides Varuzhan Abelyan, Yanmei Li, Xiangang Lyu, Yang Zhang, Chunguang Dong 2025-01-07
12171634 Methods of planning teeth movement and media Jeeyoung Choi, John Morton, Bastien Pesenti, Vadim Matov, Alexander Beliaev +2 more 2024-12-24 $25,277,000
12152092 Polymerizable monomers and method of polymerizing the same Robert Liska, Christian Gorsche, Markus Kury, Yan Chen, Srinivas Kaza 2024-11-26 $67,915,000
12121412 Orthodontic systems with elastic attachments Jennifer C. Chen, John Morton, Jon F. Moss, Clark Kaufhardt, Heng Cao 2024-10-22 $79,788,000
12076209 Multilayer dental appliances and related methods and systems Yan Chen, Heinz Pudleiner, Klaus Meyer, Joerg Nickel, Craig Pehlert 2024-09-03 $21,243,000
12076206 Methods for aligner design using thickness maps Yuxiang Wang, Andrew Jang, Bruce Cam, Rohit Tanugula, Jun Sato +4 more 2024-09-03 $21,243,000
12064316 Method for appliances with bite adjustment structures Rohit Tanugula, John Morton, Bastien Pesenti, Jihua Cheng, Jeeyoung Choi 2024-08-20 $27,832,000
12053960 Multi-layer film with improved modulus properties Heinz Pudleiner, Klaus Meyer, Juergen Winkler, Wolfgang Brauer, Joerg Nickel +2 more 2024-08-06
12042353 Curable composition for use in a high temperature lithography-based photopolymerization process and method of producing crosslinked polymers therefrom Robert Liska, Christian Gorsche, György Harakaly, Markus Kury, Jürgen Stampfl +3 more 2024-07-23 $57,417,000