- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
Patent holdings for IPC class G02B 6/293
Total number of patents in this class: 2408
10-year publication summary
|
141
|
242
|
280
|
262
|
267
|
263
|
269
|
241
|
194
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
122 |
| II-VI Delaware, Inc. | 1720 |
63 |
| Hewlett Packard Enterprise Development LP | 10702 |
59 |
| Cisco Technology, Inc. | 18858 |
41 |
| Sumitomo Electric Industries, Ltd. | 14131 |
38 |
| Nippon Telegraph and Telephone Corporation | 14195 |
32 |
| Magic Leap, Inc. | 3028 |
29 |
| Ayar Labs, Inc. | 129 |
29 |
| Mitsubishi Electric Corporation | 43934 |
28 |
| NEC Corporation | 32703 |
26 |
| Fujitsu Limited | 19265 |
25 |
| Alliance Fiber Optic Products, Inc. | 83 |
25 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
25 |
| Oracle International Corporation | 12313 |
24 |
| Marvell Asia PTE, Ltd. | 6841 |
23 |
| Nokia Solutions And Networks Oy | 5698 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
22 |
| Massachusetts Institute of Technology | 9795 |
21 |
| Light Field Lab, Inc. | 185 |
21 |
| Samsung Electronics Co., Ltd. | 131630 |
20 |
| Other owners | 1713 |