- 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 3/00 - Optical logic elementsOptical bistable devices
Patent holdings for IPC class G02F 3/00
Total number of patents in this class: 320
10-year publication summary
|
22
|
23
|
12
|
28
|
18
|
25
|
29
|
37
|
31
|
19
|
| 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 | 17367 |
32 |
| Fujikura Ltd. | 2938 |
20 |
| Shenzhen University | 1644 |
16 |
| Psiquantum, Corp. | 422 |
10 |
| Huawei Technologies Co., Ltd. | 113191 |
8 |
| Inter-University Research Institute Corporation Research Organization of Information and Systems | 114 |
8 |
| Milkshake Technology Inc. | 21 |
7 |
| Massachusetts Institute of Technology | 10066 |
6 |
| International Business Machines Corporation | 61344 |
5 |
| Toshiba Corporation | 12376 |
5 |
| Fujitsu Limited | 18404 |
5 |
| Hewlett Packard Enterprise Development LP | 10729 |
5 |
| Abu Dhabi University | 42 |
4 |
| Huazhong University of Science and Technology | 1057 |
4 |
| Ope, LLC. | 14 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28156 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6433 |
3 |
| Pioneer Corporation | 4330 |
3 |
| Japan Science and Technology Agency | 1318 |
3 |
| Gwangju Institute of Science and Technology | 760 |
3 |
| Other owners | 165 |