Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David Y. Wang — 4 Patents in 2021

KLKla: 4 patents #7 of 232Top 4%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #51,420 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11137350 Mid-infrared spectroscopy for measurement of high aspect ratio structures Shankar Krishnan, Guorong V. Zhuang 2021-10-05
11119050 Methods and systems for measurement of thick films and high aspect ratio structures Noam Sapiens, Shankar Krishnan, Alexander Buettner, Kerstin Purrucker, Kevin Peterlinz 2021-09-14
11043239 Magneto-optic Kerr effect metrology systems Jun Wang, Yaolei Zheng, Chunxia Li, Changfei Yan, Lansheng Dong +7 more 2021-06-22
10969328 Optical metrology tool equipped with modulated illumination sources Andrei V. Shchegrov, Lawrence D. Rotter, Andrei Veldman, Kevin Peterlinz, Gregory Brady +1 more 2021-04-06