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

John Woodruff — 22 Patents

Apple: 12 patents #2,744 of 18,612Top 15%
KEKnowles Electronics: 9 patents #27 of 325Top 9%
Santa Cruz, CA: #162 of 1,911 inventorsTop 9%
California: #25,951 of 386,348 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
John Woodruff has been granted 22 US patents while listed as an inventor at Apple. The first was granted in 2003 and the most recent in April 2025. John Woodruff ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list John Woodruff in Santa Cruz, CA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12272370 Audio source separation for audio devices Carlos Avendano, Jonathan Huang, Mehrez Souden, Andreas KOUTROUVELIS 2025-04-08
12141347 Machine learning and user driven selective hearing Mehrez Souden, Symeon Delikaris Manias, Ante Jukic, Joshua D. Atkins 2024-11-12 $246,850,000
12058494 Media system and method of accommodating hearing loss using a personalized audio filter Yacine Azmi, Ian M. Fisch, Jing Xia 2024-08-06 $268,361,000
11978469 Ambient noise aware dynamic range control and variable latency for hearing personalization Yang Lu, Tom-Davy W. Saux 2024-05-07 $289,820,000
11810588 Audio source separation for audio devices Carlos Avendano, Jonathan Huang, Mehrez Souden, Andreas KOUTROUVELIS 2023-11-07 $200,618,000
11418894 Media system and method of amplifying audio signal using audio filter corresponding to hearing loss profile Yacine Azmi, Ian M. Fisch, Jing Xia 2022-08-16 $228,519,000
11393486 Ambient noise aware dynamic range control and variable latency for hearing personalization Yang Lu, Tom-Davy W. Saux 2022-07-19 $234,734,000
11368776 Audio signal processing for sound compensation Jing Xia, Yacine Azmi 2022-06-21 $223,110,000
11335331 Multibeam keyword detection system and method Harsha Rao, Malakapati Loka Nagendra Prasad, Hindupur Keerthi Sagar, Pratik Shah, Murali Mohan Deshpande +2 more 2022-05-17 $3,747,000
11276384 Ambient sound enhancement and acoustic noise cancellation based on context Tom-Davy W. Saux, Vladan Bajic, Vasu Iyengar, Andrew E. Greenwood, Tyrone T. Chen +2 more 2022-03-15 $265,207,000
11252518 Media system and method of accommodating hearing loss Yacine Azmi, Ian M. Fisch, Jing Xia 2022-02-15 $337,983,000
11234077 User interfaces for managing audio exposure Nicholas Felton, Tyrone T. Chen, Elizabeth Caroline Cranfill, Ian M. Fisch, Eamon F. Gilravi +2 more 2022-01-25 $316,687,000
11153677 Ambient sound enhancement based on hearing profile and acoustic noise cancellation Tom-Davy W. Saux, Vladan Bajic, Vasu Iyengar, Andrew E. Greenwood, Tyrone T. Chen +2 more 2021-10-19 $254,245,000
10455325 Direction of arrival estimation for multiple audio content streams Pratik Shah, Sai Ravi Teja Pulugurtha, Harsha Rao 2019-10-22 $13,656,000
10257611 Stereo separation and directional suppression with omni-directional microphones Jonathon Ray, Shailesh Sakri, Tony S. Verma 2019-04-09 $6,691,000
9978388 Systems and methods for restoration of speech components Carlos Avendano 2018-05-22 $4,088,000
9820042 Stereo separation and directional suppression with omni-directional microphones Jonathon Ray, Shailesh Sakri, Tony S. Verma 2017-11-14 $8,458,000
9799330 Multi-sourced noise suppression Sridhar Krishna Nemala, Tony S. Verma, Frederic Caldwell 2017-10-24 $2,851,000
9779716 Occlusion reduction and active noise reduction based on seal quality Sharon Gadonniex, Tony S. Verma 2017-10-03 $2,789,000
9536540 Speech signal separation and synthesis based on auditory scene analysis and speech modeling Carlos Avendano, David Klein, Michael M. Goodwin 2017-01-03 $15,772,000
9500739 Estimating and tracking multiple attributes of multiple objects from multi-sensor data Carlos Avendano, Michael M. Goodwin 2016-11-22 $4,069,000
D478336 Tractor hitch alignment and coupling tool 2003-08-12