- 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: 1286
10-year publication summary
|
99
|
120
|
142
|
141
|
116
|
105
|
75
|
83
|
72
|
18
|
| 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 | 14195 |
41 |
| Huawei Technologies Co., Ltd. | 100781 |
36 |
| Fujikura Ltd. | 2777 |
30 |
| Nokia Solutions And Networks Oy | 5698 |
22 |
| CommScope Technologies LLC | 4937 |
22 |
| nLIGHT, Inc. | 380 |
22 |
| Hewlett Packard Enterprise Development LP | 10702 |
20 |
| Corning Optical Communications LLC | 1741 |
20 |
| II-VI Delaware, Inc. | 1720 |
19 |
| Corning Incorporated | 9932 |
17 |
| Lumentum Operations LLC | 696 |
17 |
| Cisco Technology, Inc. | 18858 |
16 |
| Sumitomo Electric Industries, Ltd. | 14131 |
15 |
| Corning Research & Development Corporation | 1087 |
15 |
| NEC Corporation | 32703 |
14 |
| Infinera Corporation | 620 |
14 |
| The Boeing Company | 19843 |
13 |
| The Furukawa Electric Co., Ltd. | 3486 |
12 |
| Hewlett-Packard Development Company, L.P. | 28538 |
11 |
| OFS Fitel, LLC | 549 |
11 |
| Other owners | 899 |