Patent holdings for IPC class G02B 6/30

Total number of patents in this class: 1505

10-year publication summary

89
168
181
184
168
149
121
118
102
34
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Nippon Telegraph and Telephone Corporation
14355
109
Cisco Technology, Inc.
18882
89
International Business Machines Corporation
60245
39
Taiwan Semiconductor Manufacturing Company, Ltd.
36954
39
Sumitomo Electric Industries, Ltd.
14197
38
GLOBALFOUNDRIES U.S. Inc.
6452
37
Huawei Technologies Co., Ltd.
101396
32
Corning Optical Communications LLC
1740
32
Intel Corporation
45638
23
Sumitomo Osaka Cement Co., Ltd.
788
23
Micron Technology, Inc.
24994
22
Kyocera Corporation
12776
22
Chiral Photonics, Inc.
49
21
NTT Electronics Corporation
282
20
II-VI Delaware, Inc.
1714
20
Corning Incorporated
9939
19
Futurewei Technologies, Inc.
3715
19
Acacia Technology, Inc.
175
19
Commissariat à l'énergie atomique et aux energies alternatives
10524
18
Hewlett Packard Enterprise Development LP
10707
18
Other owners 846