- 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 2/00 - Demodulating lightTransferring the modulation of modulated lightFrequency-changing of light
Patent holdings for IPC class G02F 2/00
Total number of patents in this class: 280
10-year publication summary
|
18
|
17
|
21
|
28
|
15
|
25
|
17
|
14
|
11
|
3
|
| 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 | 17067 |
24 |
| NEC Corporation | 35259 |
21 |
| Fujitsu Limited | 18344 |
13 |
| The Furukawa Electric Co., Ltd. | 3623 |
9 |
| Raytheon Company | 8396 |
8 |
| Huawei Technologies Co., Ltd. | 110438 |
7 |
| Beijing Information Science & Technology University | 17 |
6 |
| Lawrence Livermore National Security, LLC | 1918 |
5 |
| II-VI Delaware, Inc. | 1689 |
5 |
| KDDI Corporation | 936 |
4 |
| Thales | 1834 |
4 |
| Ciena Corporation | 2008 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10810 |
3 |
| Fujikura Ltd. | 2911 |
3 |
| Appotronics Corporation Limited | 1114 |
3 |
| The University of Tokyo | 4131 |
3 |
| Bambu Vault LLC | 20 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 27752 |
3 |
| Lumentum Japan, Inc. | 229 |
3 |
| NKB Properties Management, LLC | 12 |
3 |
| Other owners | 147 |