Patent holdings for IPC class G02B 6/04

Total number of patents in this class: 790

10-year publication summary

61
48
69
62
54
58
52
51
48
23
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Fujikura Ltd.
2933
65
The Furukawa Electric Co., Ltd.
3650
39
Light Field Lab, Inc.
185
37
Sumitomo Electric Industries, Ltd.
15483
36
Corning Research & Development Corporation
1177
30
Nippon Telegraph and Telephone Corporation
17341
18
Corning Optical Communications LLC
1307
16
Olympus Corporation
13182
13
OFS Fitel, LLC
562
12
SCHOTT AG
1712
11
National University Corporation Hokkaido University
1342
9
SCHOTT Corporation
72
9
Corning Incorporated
10259
8
Konica Minolta, Inc.
8729
7
Chiral Photonics, Inc.
51
7
nLIGHT, Inc.
411
7
Apple Inc.
54844
6
AFL Telecommunications LLC
716
6
Cilag GmbH International
6249
6
Eximo Medical Ltd.
34
6
Other owners 442