G02B 7/32

Using active means

Official title: using active means, e.g. light emitter {(including both an active and a passive focus detecting device G02B7/285; using ultrasound G02B7/40)}

G02B7/32 (Using active means) appears on 650 US grants and 197 published applications in this corpus.

Search patents in G02B
Granted patents
650
Published applications
197
Assignees
186
Inventors
895
Latest grant
26 May 2026

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G02B 7/32: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197760
197820
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1981100
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198380
1984130
1985280
1986230
1987190
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1989310
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1991190
1992240
1993310
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1997230
1998240
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2001258
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20031215
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2005616
2006125
200777
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201088
201140
201237
201355
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201654
2017512
2018910
201979
2020109
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202392
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202577
202610

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