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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ingeniospec › David Chao
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David Chao — 116 Patents

INIngeniospec: 41 patents #1 of 5Top 20%
COContour Optik: 29 patents #1 of 15Top 7%
VEVesture: 17 patents #9 of 204Top 5%
IVIp Venture: 4 patents #4 of 12Top 35%
Saratoga, CA: #52 of 2,933 inventorsTop 2%
California: #1,692 of 386,348 inventorsTop 1%
Overall (All Time): #10,702 of 4,157,543Top 1%
116 Patents All Time
David Chao has been granted 116 US patents while listed as an inventor at Ingeniospec. The first was granted in 1996 and the most recent in December 2025. David Chao ranks #10,702 of 4,157,543 US inventors in our database (top 0.26%). Patent records list David Chao in Saratoga, CA, US.

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 9 patents in 2023.peak 91996: 1 patents19961997: 4 patents1998: 3 patents1999: 5 patents19992000: 5 patents2001: 6 patents2002: 5 patents20022003: 2 patents2004: 3 patents2005: 3 patents20052006: 1 patents2007: 5 patents2008: 4 patents20082009: 7 patents2010: 5 patents2011: 1 patents20112012: 2 patents2013: 4 patents2014: 2 patents20142015: 1 patents2016: 3 patents2017: 4 patents20172018: 3 patents2019: 4 patents2020: 3 patents20202021: 4 patents2022: 4 patents2023: 9 patents20232024: 7 patents2025: 6 patents2025

Issued Patents All Time

Showing 1–25 of 116 patents

Patent #TitleCo-InventorsDate
12504646 Eyeglasses having temples bendable to convert between two different curved states Chien-Ho Lin, Chin-Lung Yeh 2025-12-23
12345955 Head-worn eyewear structure with internal fan Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2025-07-01
12313913 System for powering head-worn personal electronic apparatus Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2025-05-27
12248198 Eyewear having flexible printed circuit substrate supporting electrical components Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2025-03-11
12242138 Wireless headset supporting messages and hearing enhancement Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2025-03-04
12238494 Head-worn device with connection region Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2025-02-25
12164180 Eyewear supporting distributed and embedded electronic components Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-12-10
12140819 Head-worn personal audio apparatus supporting enhanced audio output Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-11-12
12078870 Eyewear housing for charging embedded battery in eyewear frame Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-09-03
12044901 System for charging embedded battery in wireless head-worn personal electronic apparatus Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-07-23
12025855 Wearable audio system supporting enhanced hearing support Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-07-02
12001599 Head-worn device with connection region Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-06-04
11921355 Head-worn personal audio apparatus supporting enhanced hearing support Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2024-03-05
11852901 Wireless headset supporting messages and hearing enhancement Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-12-26
11829518 Head-worn device with connection region Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-11-28
11803069 Eyewear with connection region Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-10-31
11762224 Eyewear having extended endpieces to support electrical components Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-09-19
11733549 Eyewear having removable temples that support electrical components Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-08-22
11721183 Methods and apparatus regarding electronic eyewear applicable for seniors Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-08-08
11644693 Wearable audio system supporting enhanced hearing support Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-05-09
11644361 Eyewear with detection system Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-05-09
11630331 Eyewear with touch-sensitive input surface Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2023-04-18
11536988 Eyewear supporting embedded electronic components for audio support Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2022-12-27
11513371 Eyewear with printed circuit board supporting messages Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2022-11-29
11326941 Eyewear with detection system Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2022-05-10

Frequent Collaborators

Peter P. Tong67 shared
Thomas A. Howell65 shared
C. Douglass Thomas64 shared
Chien-Ho Lin5 shared
Richard Chao3 shared
Pin-Yu Chou2 shared

Nearby-Ranked Inventors

Katsumi Abe116
Emilie Williams116
Jun Woo Kim116
Katsuyoshi Suzuki116
David Gardner116
Gavin J. Stark116
Jean-Marc Suau116
Attila Grauzer116
Greg S. Melander116