Patent holdings for IPC class G02B 6/30

Total number of patents in this class: 1628

10-year publication summary

168
181
184
168
150
122
126
115
107
65
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
17260
118
Cisco Technology, Inc.
19845
90
Taiwan Semiconductor Manufacturing Company, Ltd.
42389
59
Sumitomo Electric Industries, Ltd.
15414
43
GLOBALFOUNDRIES U.S. Inc.
6429
43
International Business Machines Corporation
61185
38
Huawei Technologies Co., Ltd.
111764
36
Corning Optical Communications LLC
1311
32
Intel Corporation
46893
30
Sumitomo Osaka Cement Co., Ltd.
845
26
Kyocera Corporation
13758
23
Micron Technology, Inc.
26209
22
Corning Incorporated
10246
21
Chiral Photonics, Inc.
51
21
II-VI Delaware, Inc.
1685
20
Futurewei Technologies, Inc.
3753
19
NTT Electronics Corporation
269
19
Acacia Technology, Inc.
191
19
Hewlett Packard Enterprise Development LP
10714
18
Nokia Solutions And Networks Oy
6557
17
Other owners 914