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.
2931
65
The Furukawa Electric Co., Ltd.
3646
39
Light Field Lab, Inc.
187
37
Sumitomo Electric Industries, Ltd.
15455
36
Corning Research & Development Corporation
1175
30
Nippon Telegraph and Telephone Corporation
17337
18
Corning Optical Communications LLC
1312
16
Olympus Corporation
13185
13
OFS Fitel, LLC
562
12
SCHOTT AG
1712
11
National University Corporation Hokkaido University
1342
9
SCHOTT Corporation
72
9
Corning Incorporated
10257
8
Konica Minolta, Inc.
8722
7
Chiral Photonics, Inc.
51
7
nLIGHT, Inc.
410
7
Apple Inc.
54773
6
AFL Telecommunications LLC
717
6
Cilag GmbH International
6246
6
Eximo Medical Ltd.
34
6
Other owners 442