- 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 3/00 - Optical logic elements; Optical bistable devices
Patent holdings for IPC class G02F 3/00
Total number of patents in this class: 281
10-year publication summary
13
|
22
|
24
|
12
|
28
|
20
|
26
|
28
|
36
|
11
|
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 |
29 |
Fujikura Ltd. | 2777 |
18 |
Shenzhen University | 1544 |
16 |
Inter-University Research Institute Corporation Research Organization of Information and Systems | 105 |
9 |
Psiquantum, Corp. | 300 |
8 |
Huawei Technologies Co., Ltd. | 100781 |
7 |
Massachusetts Institute of Technology | 9795 |
6 |
Toshiba Corporation | 12017 |
5 |
Fujitsu Limited | 19265 |
5 |
Hewlett Packard Enterprise Development LP | 10702 |
5 |
International Business Machines Corporation | 60644 |
4 |
Abu Dhabi University | 30 |
4 |
Huazhong University of Science and Technology | 930 |
4 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
4 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
3 |
Pioneer Corporation | 4843 |
3 |
Gwangju Institute of Science and Technology | 703 |
3 |
Inha-Industry Partnership Institute | 177 |
3 |
Osaka University | 3143 |
3 |
The University of Chicago | 1282 |
3 |
Other owners | 139 |