- 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 2/00 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
Patent holdings for IPC class G02F 2/00
Total number of patents in this class: 289
10-year publication summary
22
|
18
|
17
|
21
|
28
|
15
|
25
|
17
|
13
|
2
|
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 |
24 |
NEC Corporation | 32703 |
19 |
Fujitsu Limited | 19265 |
15 |
The Furukawa Electric Co., Ltd. | 3486 |
10 |
Huawei Technologies Co., Ltd. | 100781 |
7 |
Raytheon Company | 8535 |
7 |
Beijing Information Science & Technology University | 17 |
6 |
II-VI Delaware, Inc. | 1720 |
6 |
Lawrence Livermore National Security, LLC | 1834 |
4 |
KDDI Corporation | 764 |
4 |
Thales | 1854 |
4 |
Massachusetts Institute of Technology | 9795 |
3 |
Ciena Corporation | 1927 |
3 |
Fujikura Ltd. | 2777 |
3 |
Appotronics Corporation Limited | 1111 |
3 |
Osaka University | 3143 |
3 |
The University of Tokyo | 3903 |
3 |
Bambu Vault LLC | 25 |
3 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
3 |
Lumentum Japan, Inc. | 240 |
3 |
Other owners | 156 |