Patent holdings for IPC class G02B 6/04

Total number of patents in this class: 800

10-year publication summary

58
42
60
59
52
57
47
51
47
31
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Fujikura Ltd.
2954
68
The Furukawa Electric Co., Ltd.
3704
39
Sumitomo Electric Industries, Ltd.
15647
37
Light Field Lab, Inc.
182
37
Corning Research & Development Corporation
1200
30
Nippon Telegraph and Telephone Corporation
17324
18
Corning Optical Communications LLC
1308
16
Olympus Corporation
13140
13
OFS Fitel, LLC
565
13
SCHOTT AG
1709
11
National University Corporation Hokkaido University
1347
9
SCHOTT Corporation
72
9
Corning Incorporated
10320
8
Konica Minolta, Inc.
8801
7
Chiral Photonics, Inc.
52
7
nLIGHT, Inc.
412
7
Apple Inc.
55491
6
AFL Telecommunications LLC
728
6
Cilag GmbH International
6271
6
Eximo Medical Ltd.
35
6
Other owners 447