Patent holdings for IPC class G02B 6/30

Total number of patents in this class: 1641

10-year publication summary

168
181
184
168
150
122
126
115
107
78
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Telegraph and Telephone Corporation
17341
118
Cisco Technology, Inc.
19918
90
Taiwan Semiconductor Manufacturing Company, Ltd.
42704
62
Sumitomo Electric Industries, Ltd.
15483
43
GLOBALFOUNDRIES U.S. Inc.
6434
43
International Business Machines Corporation
61228
38
Huawei Technologies Co., Ltd.
112438
36
Corning Optical Communications LLC
1307
32
Intel Corporation
46962
30
Kyocera Corporation
13799
27
Sumitomo Osaka Cement Co., Ltd.
848
26
Micron Technology, Inc.
26262
22
Corning Incorporated
10259
21
Chiral Photonics, Inc.
51
21
II-VI Delaware, Inc.
1680
20
Futurewei Technologies, Inc.
3754
19
NTT Electronics Corporation
270
19
Acacia Technology, Inc.
194
19
Hewlett Packard Enterprise Development LP
10727
18
Nokia Solutions And Networks Oy
6586
17
Other owners 920