Patent holdings for IPC class G02B 6/30

Total number of patents in this class: 1665

10-year publication summary

166
178
179
166
149
120
127
113
107
106
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
16975
117
Cisco Technology, Inc.
22033
90
Taiwan Semiconductor Manufacturing Company, Ltd.
43854
65
Sumitomo Electric Industries, Ltd.
15659
44
GLOBALFOUNDRIES U.S. Inc.
6409
43
International Business Machines Corporation
61596
38
Intel Corporation
47239
34
Huawei Technologies Co., Ltd.
114320
34
Corning Optical Communications LLC
1308
32
Kyocera Corporation
13988
29
Sumitomo Osaka Cement Co., Ltd.
866
26
Micron Technology, Inc.
26255
22
Corning Incorporated
10327
21
Chiral Photonics, Inc.
52
21
II-VI Delaware, Inc.
1653
20
Futurewei Technologies, Inc.
3760
19
Acacia Technology, Inc.
196
19
NTT Electronics Corporation
266
18
Hewlett Packard Enterprise Development LP
10756
18
Teramount Ltd.
42
18
Other owners 937