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

John Y. Chang — 181 Patents

ACAcclarent: 97 patents #1 of 181Top 1%
IBM: 33 patents #3,003 of 70,183Top 5%
ENExploramed Nc7: 19 patents #1 of 30Top 4%
WIWillow Innovations: 15 patents #1 of 42Top 3%
Medtronic: 8 patents #1,341 of 6,367Top 25%
TRTransvascular: 4 patents #8 of 35Top 25%
TMTusker Medical: 2 patents #26 of 43Top 65%
Los Altos, CA: #17 of 3,651 inventorsTop 1%
California: #689 of 386,348 inventorsTop 1%
Overall (All Time): #4,199 of 4,157,543Top 1%
181 Patents All Time
John Y. Chang has been granted 181 US patents while listed as an inventor at Acclarent. The first was granted in 2002 and the most recent in October 2025. John Y. Chang ranks #4,199 of 4,157,543 US inventors in our database (top 0.10%). Patent records list John Y. Chang in Los Altos, CA, US.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 20 patents in 2014.peak 202002: 2 patents20022003: 2 patents2006: 1 patents2008: 6 patents20082009: 5 patents2010: 11 patents2011: 2 patents20112012: 10 patents2013: 5 patents2014: 20 patents20142015: 19 patents2016: 10 patents2017: 11 patents20172018: 12 patents2019: 16 patents2020: 18 patents20202021: 7 patents2022: 8 patents2023: 6 patents20232024: 5 patents2025: 5 patents2025

Issued Patents All Time

Showing 51–75 of 181 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10500380 Devices, systems and methods useable for treating sinusitis Joshua Makower, Julia D. Vrany, John Morriss, Ketan P. Muni, Isaac J. Kim +3 more 2019-12-10
10492810 Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat Joshua Makower 2019-12-03
10454949 Guarding against cross-site request forgery (CSRF) attacks Lewis Lo, Ching-Yun Chao, Li Yi, Leonardo A. Uzcategui, Rohan Gandhi 2019-10-22 $3,154,000
10434228 Breast pump system and methods Joshua Makower, Brendan M. Donohoe, Michele Torosis 2019-10-08
D862680 Container assembly for a breast pump Brian Mason, Fred H. Co 2019-10-08
10398816 Breast pump system with flange Joshua Makower, Brendan M. Donohoe, Michele Torosis 2019-09-03
10382563 Establishing cross-vendor secure connectivity in a shared computing environment Messaoud Benantar, David Yu Chang, Vishwanath Venkataramappa 2019-08-13 $1,909,000
D856507 Container assembly for a breast pump Brian Mason, Fred H. Co 2019-08-13
10376416 System and method for treatment of non-ventilating middle ear by providing a gas pathway through the nasopharynx Anton G. Clifford, Joshua Makower, John Morriss, Earl A. Bright, II, Eric Goldfarb +4 more 2019-08-13
10367806 Managing and securing manageable resources in stateless web server architecture using servlet filters David Yu Chang, Vishwanath Venkataramappa 2019-07-30 $4,347,000
10341109 Controlling exposure of sensitive data and operation using process bound security tokens in cloud computing environment Ching-Yun Chao, Bertrand Be-Chung Chiu, Ki-Hong Park 2019-07-02 $3,331,000
10341324 Sponsored trust relationship management between multiple racks Ching-Yun Chao, Patrick L. Davis, Rohan Gandhi, Yuhsuke Kaneyasu, Lewis Lo +6 more 2019-07-02 $3,331,000
10258776 System and method for treatment of target tissues within the ears Anton G. Clifford, Greg Liu, John Morriss, Joshua Makower, William M. Facteau +1 more 2019-04-16
10206821 Eustachian tube dilation balloon with ventilation path Peter Campbell, Daniel T. Harfe, Hung V. Ha, Ketan P. Muni, Andy Nguyen +2 more 2019-02-19
10171561 Construct data management between loosely coupled racks Ching-Yun Chao, Patrick L. Davis, Rohan Gandhi, Yuhsuke Kaneyasu, Lewis Lo +6 more 2019-01-01
D834177 Flex conduit for a breast pump Brian Mason 2018-11-20
10124154 Catheters with non-removable guide members useable for treatment of sinusitis Philip C. Evard, Ketan P. Muni, John Morriss 2018-11-13
D832995 Breast pump Brian Mason, Joshua Makower 2018-11-06
10098652 Systems and methods for transnasal dilation of passageways in the ear, nose or throat Eric Goldfarb, William M. Facteau, Sivette Lam, Hung V. Ha, Isaac J. Kim +1 more 2018-10-16
D828542 Flange for a breast pump Brian Mason 2018-09-11
10034682 Devices, systems and methods useable for treating frontal sinusitis Ketan P. Muni, Carlos F. Fernandez, Joshua Makower, William M. Facteau 2018-07-31
9985954 Sponsored trust relationship management between multiple racks Ching-Yun Chao, Patrick L. Davis, Rohan Gandhi, Yuhsuke Kaneyasu, Lewis Lo +6 more 2018-05-29 $2,015,000
9913964 System and method for dilating an airway stenosis Ketan P. Muni, Hung V. Ha, Chi Nguyen, Randy S. Chan 2018-03-13
9907932 Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites Joshua Makower, Theodore C. Lamson, J. Christopher Flaherty, John Reggie, Joseph Catanese, III +1 more 2018-03-06 $30,916,000
D811579 Flex conduit for a breast pump Brian Mason 2018-02-27