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USPTO Patent Rankings Data through Dec 31, 2025
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Ka Man Cheang — 15 Patents

ATAlign Technology: 15 patents #81 of 483Top 20%
Sunnyvale, CA: #1,840 of 14,302 inventorsTop 15%
California: #40,789 of 386,348 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Ka Man Cheang has been granted 15 US patents while listed as an inventor at Align Technology. The first was granted in 2002 and the most recent in July 2024. Ka Man Cheang ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Ka Man Cheang in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 2002 to 2024Bar chart with a peak of 2 patents in 2016.peak 22002: 1 patents20022003: 1 patents2004: 1 patents20042005: 1 patents2011: 1 patents20112014: 1 patents2016: 2 patents20162017: 1 patents2018: 1 patents20182020: 2 patents2023: 2 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12023217 Positioning three-dimensional brackets on teeth — 2024-07-02 $60,557,000
11819377 Generating 3D models of a patient's teeth based on 2D teeth images Ian Kitching 2023-11-21 $49,559,000
11583366 System and method for positioning three-dimensional brackets on teeth — 2023-02-21 $303,280,000
10624716 System and method for detecting deviations during the course of an orthodontic treatment to gradually reposition teeth Ian Kitching 2020-04-21 $55,669,000
10582986 System and method for positioning three-dimensional brackets on teeth — 2020-03-10 $78,243,000
10022204 System and method for positioning three-dimensional brackets on teeth — 2018-07-17 $247,459,000
9844420 System and method for positioning three-dimensional brackets on teeth — 2017-12-19 $19,014,000
9364297 System and method for detecting deviations during the course of an orthodontic treatment to gradually reposition teeth Ian Kitching 2016-06-14 $21,292,000
9326831 System and method for positioning three-dimensional brackets on teeth — 2016-05-03 $20,881,000
8636510 System and method for detecting deviations during the course of an orthodontic treatment to gradually reposition teeth Ian Kitching 2014-01-28 $10,548,000
8075306 System and method for detecting deviations during the course of an orthodontic treatment to gradually reposition teeth Ian Kitching 2011-12-13 $10,367,000
6948931 Digitally modeling the deformation of gingival tissue during orthodontic treatment Muhammad Chishti, Huafeng Wen, Elena Pavlovskaia 2005-09-27 $2,916,000
6685470 Digitally modeling the deformation of gingival tissue during orthodontic treatment Muhammad Chishti, Huafeng Wen, Elena Pavlovskaia 2004-02-03 $8,790,000
6514074 Digitally modeling the deformation of gingival Muhammad Chishti, Huafeng Wen, Elena Pavlovskaia 2003-02-04 $5,353,000
6386878 Systems and methods for removing gingiva from teeth Elena Pavlovskaia, Venkata Surya Sarva 2002-05-14 $2,365,000

Frequent Collaborators

Ian Kitching5 shared
Elena Pavlovskaia4 shared
Muhammad Chishti3 shared
Huafeng Wen3 shared
Venkata Surya Sarva1 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15