- 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: 490
10-year publication summary
|
50
|
39
|
56
|
42
|
52
|
36
|
32
|
35
|
35
|
4
|
| 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 | 15997 |
35 |
| NEC Corporation | 36616 |
19 |
| Huawei Technologies Co., Ltd. | 120098 |
18 |
| Psiquantum, Corp. | 511 |
15 |
| Digilens, Inc. | 234 |
11 |
| Nokia Solutions And Networks Oy | 7064 |
8 |
| GLOBALFOUNDRIES U.S. Inc. | 6396 |
8 |
| Sumitomo Osaka Cement Co., Ltd. | 880 |
8 |
| The Regents of the University of California | 20534 |
7 |
| Cisco Technology, Inc. | 22278 |
7 |
| NTT Electronics Corporation | 257 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
7 |
| The Furukawa Electric Co., Ltd. | 3700 |
7 |
| Oxford University Innovation Limited | 1624 |
7 |
| Samsung Electronics Co., Ltd. | 153845 |
6 |
| Massachusetts Institute of Technology | 10196 |
6 |
| Hewlett Packard Enterprise Development LP | 10885 |
6 |
| OpenLight Photonics, Inc | 200 |
6 |
| Apple Inc. | 58074 |
5 |
| International Business Machines Corporation | 62220 |
5 |
| Other owners | 292 |