Filings by year

G02B 6/3893: granted patents and published applications per publication year
YearGranted patentsPublished applications
197920
198050
198140
198200
198330
198420
198540
198610
198770
1988130
198950
199040
1991100
1992250
1993130
1994190
1995100
1996180
1997150
1998320
1999250
2000360
20015019
20027855
20035847
20045361
20054443
20063723
20073526
20083036
20092230
20103736
20111946
20122552
20133339
20145561
20157185
201686102
2017113124
2018126184
2019131131
2020144148
202196157
202212998
2023106109
20247995
20257395
20265173

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents