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

Karen Hao — 5 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Arlington, MA: #671 of 2,056 inventorsTop 35%
Massachusetts: #23,696 of 88,656 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Karen Hao has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 2017 and the most recent in October 2020. Karen Hao ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Karen Hao in Arlington, MA, US.

Patents per Year

Patents granted per year, 2017 to 2020Bar chart with a peak of 2 patents in 2017.peak 22017: 2 patents20172018: 1 patents20182020: 2 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10816467 Optical tomography optoelectronic arrangements for microplate wells Lester F. Ludwig, Frank Hu, Alice Huang, Pooncharas Tipgunlakant 2020-10-27
10656076 Optical tomography optoelectronic arrangements for microscopy, cell cytometry, microplate array instrumentation, crystallography, and other applications Lester F. Ludwig, Frank Hu, Alice Huang, Pooncharas Tipgunlakant 2020-05-19
10024791 Cylindrical optical tomography for microscopy, cell cytometry, microplate array instrumentation, crystallography, and other applications Lester F. Ludwig, Frank Hu, Alice Huang, Pooncharas Tipgunlakant 2018-07-17
9594019 Optical tomography for microscopy, cell cytometry, microplate array instrumentation, crystallography, and other applications Lester F. Ludwig, Frank Hu, Alice Huang, Pooncharas Tipgunlakant 2017-03-14
9594239 Optical tomography for microscopy, cell cytometry, microplate array instrumentation, crystallography, and other applications Lester F. Ludwig, Frank Hu, Alice Huang, Pooncharas Tipgunlakant 2017-03-14