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

Michael Au — 20 Patents

SASonova Ag: 13 patents #9 of 295Top 4%
ASAlameda Applied Sciences: 3 patents #3 of 16Top 20%
IMInsound Medical: 3 patents #18 of 38Top 50%
JUJds Uniphase: 1 patents #393 of 940Top 45%
Union City, CA: #76 of 1,177 inventorsTop 7%
California: #29,208 of 386,348 inventorsTop 8%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Michael Au has been granted 20 US patents while listed as an inventor at Sonova Ag. The first was granted in 2004 and the most recent in December 2024. Michael Au ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Michael Au in Union City, CA, US.

Patents per Year

Patents granted per year, 2004 to 2024Bar chart with a peak of 6 patents in 2022.peak 62004: 1 patents20042006: 1 patents2011: 1 patents20112013: 1 patents2014: 2 patents20142015: 1 patents2019: 1 patents20192020: 3 patents2021: 1 patents20212022: 6 patents2023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12174014 Canal hearing device sizer tools, systems and methods Yashvant Venkatakrishnan, Grace Gardner, Jacob Johnson 2024-12-24
11638108 Canal hearing devices with sound port contaminant guards Frank Wang, Yashvant Venkatakrishnan, Xiuming Zhu, Roland Kern, Simone Kneipp +1 more 2023-04-25
11523202 Hearing devices including biometric sensors and associated methods Frank Wang, Grace Gardner, Lu Zhang, Stephan Gehring, Daniel Baer 2022-12-06
11405711 Hearing device housings that store energy and methods of making the same Yashvant Venkatakrishnan, Lu Zhang 2022-08-02
11336982 Hearing device seal modules, modular hearing devices including the same and associated methods Yashvant Venkatakrishnan, Xiuming Zhu, Frank Wang, Grace Gardner, Marius Ruefenacht +2 more 2022-05-17
11324456 Deep ear sensor for reducing noise from movement and environment Frank Wang, Santi Chrisanti, Xiuming Zhu, Lu Zhang, Seyedeh Fatemeh Khatami Firoozabadi +1 more 2022-05-10
11323834 Hearing device having a shell including regions with different moduli of elasticity and methods of manufacturing the same Frank Wang 2022-05-03
11277698 Canal hearing devices with improved seals Paul Wagner, Barjinder Chana, Petra Gunde, Torben Gillich, Simone Keller +1 more 2022-03-15
10897676 Customized device for insertion of a deep-cana hearing aid and a method for manufacturing and using such an insertion device Paul Wagner, Barjinder Chana, Karamuk Erdal, Mehnaz Khan, Daniel Baer +2 more 2021-01-19
10701497 Hearing device seal modules, modular hearing devices including the same and associated methods Barjinder Chana, Erdal Karamuk 2020-06-30
10629969 Batteries and battery manufacturing methods Chuangang Lin, Stuart Wenzel, Paul Wagner 2020-04-21
10582320 Canal hearing device sizer apparatus, systems and methods Paul Wagner, Barjinder Chana, Shilpi Banerjee, Erdal Karamuk 2020-03-03
10237665 Canal hearing devices with improved seals Erdal Karamuk, Petra Gunde, Simone Keller, Chuangang Lin, Paul Wagner 2019-03-19
9060234 Canal hearing devices and batteries for use with same Paul Wagner, Stuart Wenzel, Igal Ladabaum 2015-06-16
8761423 Canal hearing devices and batteries for use with same Paul Wagner, Stuart Wenzel, Igal Ladabaum 2014-06-24
8682016 Canal hearing devices and batteries for use with same Paul Wagner, Stuart Wenzel, Igal Ladabaum 2014-03-25
8475056 Semiconductor device assembly Prasad Yalamanchili, Xiangdong Qiu, Reddy Raju, Jay A. Skidmore, Laura Zavala +1 more 2013-07-02 $32,140,000
8038858 Coaxial plasma arc vapor deposition apparatus and method Brian Lee Bures, Jason D. Wright, Andrew N. Gerhan, Mahadevan Krishnan 2011-10-18
7053333 Vacuum arc plasma thrusters with inductive energy storage driver Jochen Schein, Andrew N. Gerhan, Robyn L. Woo, Mahadevan Krishnan 2006-05-30
6818853 Vacuum arc plasma thrusters with inductive energy storage driver Jochen Schein, Andrew N. Gerhan, Robyn L. Woo, Mahadevan Krishnan 2004-11-16