G02B 6/4225

By a direct measurement of the degree of coupling

Official title: {by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element}

G02B6/4225 (By a direct measurement of the degree of coupling) appears on 519 US grants and 426 published applications in this corpus.

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519
Published applications
426
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306
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1,199
Latest grant
28 Jul 2026

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G02B 6/4225: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
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197900
198010
198110
198210
198300
198400
198510
198600
198710
198860
198950
199060
1991110
199250
199370
199470
199540
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1997110
1998100
1999100
2000110
2001214
20022755
20033836
20043839
20052618
20062118
20071914
2008165
200973
2010512
2011312
201273
2013109
201498
201539
20161817
20172023
20182521
20192015
20201717
20211519
20221715
2023918
202497
2025818
2026811

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