Guotu LI — 9 Patents at Align Technology

Guotu LI has been granted 9 US patents while listed as an inventor at Align Technology. The first was granted in 2022 and the most recent in August 2025. Guotu LI ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Guotu LI in Apex, NC, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12376943	Methods and systems for forming a three-dimensional model of dentition	Christopher E. Cramer	2025-08-05
11991439	Systems, apparatus, and methods for remote orthodontic treatment	Christopher E. Cramer, Rajiv Venkata, Leela Parvathaneni, Phillip Thomas Harris, Sravani Gurijala +4 more	2024-05-21	$47,538,000
11991440	Treatment-based image capture guidance	Christopher E. Cramer, Rajiv Venkata, Leela Parvathaneni, Phillip Thomas Harris, Sravani Gurijala +4 more	2024-05-21	$47,538,000
11985414	Image-based aligner fit evaluation	Christopher E. Cramer, Rajiv Venkata, Leela Parvathaneni, Phillip Thomas Harris, Sravani Gurijala +4 more	2024-05-14	$100,881,000
11957541	Machine learning scoring system and methods for tooth position assessment	Christopher E. Cramer, Chad Clayton Brown, Anton Spiridonov	2024-04-16	$39,330,000
11962892	Image based dentition tracking	Christopher E. Cramer, Rajiv Venkata, Leela Parvathaneni, Phillip Thomas Harris, Sravani Gurijala +4 more	2024-04-16	$39,330,000
11800216	Image based orthodontic treatment refinement	Christopher E. Cramer, Rajiv Venkata, Leela Parvathaneni, Phillip Thomas Harris, Sravani Gurijala +4 more	2023-10-24	$25,938,000
11723748	2D-to-3D tooth reconstruction, optimization, and positioning frameworks using a differentiable renderer	Christopher E. Cramer	2023-08-15	$65,031,000
11534272	Machine learning scoring system and methods for tooth position assessment	Christopher E. Cramer, Chad Clayton Brown, Anton Spiridonov	2022-12-27	$23,269,000

Guotu LI — 9 Patents

Issued Patents All Time

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