- 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 therein; non-linear optics; frequency-changing of light; optical logic elements; optical 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: 430
10-year publication summary
25
|
36
|
50
|
41
|
57
|
43
|
54
|
36
|
30
|
7
|
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 |
33 |
NEC Corporation | 32703 |
19 |
Huawei Technologies Co., Ltd. | 100781 |
17 |
Digilens, Inc. | 195 |
11 |
Psiquantum, Corp. | 300 |
10 |
Nokia Solutions And Networks Oy | 5698 |
8 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
8 |
Cisco Technology, Inc. | 18858 |
7 |
Massachusetts Institute of Technology | 9795 |
7 |
NTT Electronics Corporation | 283 |
7 |
The Furukawa Electric Co., Ltd. | 3486 |
7 |
Oxford University Innovation Limited | 1421 |
7 |
Samsung Electronics Co., Ltd. | 131630 |
6 |
The Regents of the University of California | 18943 |
6 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
6 |
OpenLight Photonics, Inc | 180 |
6 |
Apple Inc. | 50209 |
5 |
International Business Machines Corporation | 60644 |
5 |
Universidade Federal do Para-ufpa | 23 |
5 |
Micron Technology, Inc. | 24960 |
4 |
Other owners | 246 |