- 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: 1283
10-year publication summary
|
120
|
142
|
141
|
116
|
105
|
78
|
85
|
75
|
44
|
3
|
| 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 | 16332 |
48 |
| Huawei Technologies Co., Ltd. | 106762 |
38 |
| Fujikura Ltd. | 2861 |
30 |
| Nokia Solutions And Networks Oy | 6231 |
23 |
| CommScope Technologies LLC | 3465 |
21 |
| Corning Optical Communications LLC | 1711 |
20 |
| nLIGHT, Inc. | 395 |
20 |
| Hewlett Packard Enterprise Development LP | 10642 |
19 |
| II-VI Delaware, Inc. | 1717 |
18 |
| Corning Incorporated | 10125 |
17 |
| Lumentum Operations LLC | 714 |
16 |
| Corning Research & Development Corporation | 1163 |
16 |
| Cisco Technology, Inc. | 19347 |
15 |
| NEC Corporation | 34413 |
14 |
| Infinera Corporation | 625 |
14 |
| The Boeing Company | 19911 |
13 |
| Sumitomo Electric Industries, Ltd. | 14972 |
13 |
| The Furukawa Electric Co., Ltd. | 3600 |
12 |
| META Platforms Technologies, LLC | 5357 |
12 |
| Hewlett-Packard Development Company, L.P. | 27461 |
11 |
| Other owners | 893 |