G02B 6/4221

Involving a visual detection of the position of the elements

Official title: {involving a visual detection of the position of the elements, e.g. by using a microscope or a camera}

G02B6/4221 (Involving a visual detection of the position of the elements) appears on 661 US grants and 562 published applications in this corpus.

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562
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316
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1,429
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15 Sep 2026

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G02B 6/4221: granted patents and published applications per publication year
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198620
198710
198850
198940
199030
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20022949
20034373
20044032
20052818
20062921
20071812
20081511
20091311
2010813
201167
201295
2013512
2014820
20151316
20162325
20172420
20182723
20192614
20201823
20212225
20221822
20232035
20241016
20252028
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