- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/28 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
Patent holdings for IPC class G02B 6/28
Total number of patents in this class: 1332
10-year publication summary
|
142
|
141
|
116
|
105
|
78
|
88
|
88
|
51
|
56
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 15898 |
47 |
| Huawei Technologies Co., Ltd. | 125590 |
39 |
| Fujikura Ltd. | 3135 |
31 |
| Nokia Solutions And Networks Oy | 7375 |
23 |
| Wells Fargo Bank, National Association, AS Collateral Agent | 884 |
21 |
| Cisco Technology, Inc. | 22668 |
20 |
| nLIGHT, Inc. | 420 |
20 |
| Hewlett Packard Enterprise Development LP | 12492 |
19 |
| CommScope Technologies LLC | 3251 |
19 |
| Corning Optical Communications LLC | 1265 |
19 |
| Corning Incorporated | 10560 |
18 |
| Corning Research & Development Corporation | 1341 |
16 |
| NEC Corporation | 37563 |
15 |
| II-VI Delaware, Inc. | 1621 |
15 |
| Sumitomo Electric Industries, Ltd. | 16419 |
13 |
| META Platforms Technologies, LLC | 6554 |
13 |
| The Furukawa Electric Co., Ltd. | 3728 |
12 |
| Infinera Corporation | 634 |
12 |
| OFS Fitel, LLC | 576 |
12 |
| The Boeing Company | 20232 |
11 |
| Other owners | 937 |