Patent holdings for IPC class G02B 6/25

Total number of patents in this class: 464

10-year publication summary

45
40
37
39
49
44
36
37
30
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Fujikura Ltd.
2860
38
Corning Optical Communications LLC
1712
29
CommScope Technologies LLC
3461
26
Corning Research & Development Corporation
1164
17
Sumitomo Electric Industries, Ltd.
14956
16
SEI Optifrontier Co., Ltd.
164
15
Sumitomo Electric Optifrontier Co. Ltd.
134
15
Nippon Telegraph and Telephone Corporation
16290
14
3SAE Technologies, Inc.
46
10
Corning Cable Systems LLC
419
10
Nitto Denko Corporation
8085
7
Corning Incorporated
10112
7
AFL Telecommunications LLC
685
7
OFS Fitel, LLC
553
7
3m Innovative Properties Company
17951
6
The Furukawa Electric Co., Ltd.
3599
6
Micron Technology, Inc.
25791
5
Lumentum Operations LLC
713
5
US Conec, Ltd.
256
5
NEC Corporation
34371
4
Other owners 215