- All sections
- G - Physics
- G02F - Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved thereinnon-linear opticsfrequency-changing of lightoptical logic elementsoptical analogue/digital converters
- G02F 1/025 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction in an optical waveguide structure
Patent holdings for IPC class G02F 1/025
Total number of patents in this class: 1244
10-year publication summary
|
105
|
106
|
115
|
106
|
108
|
101
|
71
|
67
|
89
|
58
|
| 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 | 15922 |
64 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
61 |
| Rockley Photonics Limited | 336 |
50 |
| Cisco Technology, Inc. | 22491 |
49 |
| NEC Corporation | 36934 |
35 |
| Mitsubishi Electric Corporation | 47971 |
35 |
| Huawei Technologies Co., Ltd. | 123282 |
34 |
| Ciena Corporation | 2173 |
28 |
| OpenLight Photonics, Inc | 200 |
26 |
| Renesas Electronics Corporation | 5879 |
25 |
| Marvell Asia PTE, Ltd. | 6313 |
23 |
| Sumitomo Electric Industries, Ltd. | 16305 |
22 |
| Nokia Solutions And Networks Oy | 7196 |
20 |
| Hewlett Packard Enterprise Development LP | 11042 |
19 |
| Sicily Merger Sub II, Inc. | 169 |
19 |
| Massachusetts Institute of Technology | 10239 |
17 |
| GLOBALFOUNDRIES U.S. Inc. | 6391 |
16 |
| Ayar Labs, Inc. | 182 |
16 |
| Fujitsu Optical Components Limited | 298 |
15 |
| STMicroelectronics (Crolles 2) SAS | 630 |
15 |
| Other owners | 655 |