- 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 1/313 - Digital deflection devices in an optical waveguide structure
Patent holdings for IPC class G02F 1/313
Total number of patents in this class: 482
10-year publication summary
|
36
|
50
|
39
|
56
|
42
|
52
|
36
|
30
|
35
|
32
|
| 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 | 16318 |
35 |
| NEC Corporation | 36252 |
19 |
| Huawei Technologies Co., Ltd. | 115556 |
18 |
| Psiquantum, Corp. | 451 |
15 |
| Digilens, Inc. | 228 |
11 |
| Nokia Solutions And Networks Oy | 6866 |
8 |
| GLOBALFOUNDRIES U.S. Inc. | 6417 |
8 |
| Sumitomo Osaka Cement Co., Ltd. | 864 |
8 |
| The Regents of the University of California | 20268 |
7 |
| Cisco Technology, Inc. | 22109 |
7 |
| Massachusetts Institute of Technology | 10130 |
7 |
| NTT Electronics Corporation | 264 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
7 |
| The Furukawa Electric Co., Ltd. | 3704 |
7 |
| Oxford University Innovation Limited | 1576 |
7 |
| Samsung Electronics Co., Ltd. | 148924 |
6 |
| Hewlett Packard Enterprise Development LP | 10768 |
6 |
| OpenLight Photonics, Inc | 192 |
6 |
| Apple Inc. | 56211 |
5 |
| International Business Machines Corporation | 61734 |
5 |
| Other owners | 283 |