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.

Issued Patents All Time

Showing 1–25 of 181 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12433974 Breast pump systems and methods Jenny Teng, Jason L. Chamberlain, Becky Scanlon, Elizabeth Ho, Manishkumar Rameshbhai Patel +1 more 2025-10-07
12370292 Breast pump assembly Joshua Makower, Brian Mason, Fred H. Co, Mathew Calmer, Arash Sabet 2025-07-29
12364794 Breast pump system with controller Joshua Makower, Brendan M. Donohoe, Sharon Lam Wang, Michele Torosis, Earl A. Bright, II 2025-07-22
12303154 Guide system with suction Eric Goldfarb, Serena Swei Loh, Mei Y. Pader, Michael J. Gottesman, Richard Newhauser 2025-05-20
12208185 Breast pump housing and flange assembly Brian Mason, Mathew Calmer, Naomi Kelman, Julie Vrany Phillips, Michelle Deng +2 more 2025-01-28
12036342 Breast pump systems Joshua Makower, Brendan M. Donohoe, Michele Torosis 2024-07-16
11957318 Methods and apparatus for treating disorders of the ear nose and throat Joshua Makower, Ketan P. Muni, John Morriss, Hung V. Ha, Isaac J. Kim +1 more 2024-04-16
11951238 Breast pump assembly and methods Joshua Makower, Brian Mason, Fred H. Co, Mathew Calmer, Arash Sabet 2024-04-09
11883185 Systems, devices and methods for assessing milk volume expressed from a breast Joshua Makower, Theodore M. Bender, Brendan M. Donohoe 2024-01-30
11864725 Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat Joshua Makower 2024-01-09
11850120 Eustachian tube dilation balloon with ventilation path Peter Campbell, Daniel T. Harfe, Hung V. Ha, Ketan P. Muni, Andy Nguyen +2 more 2023-12-26
D998137 Flange for a breast pump Brian Mason 2023-09-05
11660380 Breast pump system with collection container Joshua Makower, Brian Mason, Fred H. Co, Mathew Calmer, Arash Sabet 2023-05-30
11645381 User configured one-time password Nader M. Nassar, Tamer M. Nassar, John E. Moore, Jr. 2023-05-09 $3,203,000
11589742 Methods and apparatus for treating disorders of the ear nose and throat Joshua Makower, Ketan P. Muni, John Morriss, Hung V. Ha, Isaac J. Kim +1 more 2023-02-28
D977625 Breast pump Brian Mason, Joshua Makower 2023-02-07
11534192 Methods and apparatus for treating disorders of the sinuses Eric Goldfarb, Mina Chow, John W. White, Mei Y. Pader, Jessica Liberatore +6 more 2022-12-27
11534535 Breast pump containers and methods Brian Mason, Fred H. Co, Erica Catherine Keenan 2022-12-27
11529502 Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures Joshua Makower, Julia D. Vrany, Amrish Jayprakash Walke 2022-12-20
11511090 Devices, systems and methods useable for treating sinusitis Joshua Makower, Julia D. Vrany, John Morriss, Ketan P. Muni, Isaac J. Kim +3 more 2022-11-29
11400189 Breast pump system with controller Joshua Makower, Brendan M. Donohoe, Michele Torosis 2022-08-02
D958963 Container assembly for a breast pump Brian Mason, Fred H. Co 2022-07-26
11311419 Eustachian tube dilation balloon with ventilation path Peter Campbell, Daniel T. Harfe, Hung V. Ha, Ketan P. Muni, Andy Nguyen +2 more 2022-04-26
11304793 Methods, systems and devices for treatment of cerebrospinal venous insufficiency and multiple sclerosis Joshua Makower, Earl A. Bright, II, Theodore M. Bender, Joseph Catanese, III, Thomas King +3 more 2022-04-19
11207087 Guide system with suction Eric Goldfarb, Serena Swei Loh, Mei Y. Pader, Michael J. Gottesman, Richard Newhauser 2021-12-28