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

David Chao — 4 Patents in 2021

INIngeniospec: 3 patents #1 of 4Top 25%
COContour Optik: 1 patents #1 of 2Top 50%
Saratoga, CA: #81 of 618 inventorsTop 15%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #51,903 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11204512 Eyewear supporting embedded and tethered electronic components Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2021-12-21
11163179 Eyewear and temple unit for eyewear Chien-Ho Lin 2021-11-02
11086147 Eyewear supporting electrical components and apparatus therefor Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2021-08-10
11042045 Electronic eyewear and display Thomas A. Howell, C. Douglass Thomas, Peter P. Tong 2021-06-22