- 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: 299
10-year publication summary
|
22
|
24
|
12
|
28
|
20
|
26
|
29
|
36
|
31
|
4
|
| 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 | 16332 |
30 |
| Fujikura Ltd. | 2861 |
19 |
| Shenzhen University | 1605 |
16 |
| Inter-University Research Institute Corporation Research Organization of Information and Systems | 115 |
9 |
| Huawei Technologies Co., Ltd. | 106762 |
8 |
| Psiquantum, Corp. | 362 |
8 |
| Massachusetts Institute of Technology | 9913 |
6 |
| International Business Machines Corporation | 60129 |
5 |
| Toshiba Corporation | 12051 |
5 |
| Fujitsu Limited | 18405 |
5 |
| Hewlett Packard Enterprise Development LP | 10642 |
5 |
| Milkshake Technology Inc. | 13 |
5 |
| Abu Dhabi University | 38 |
4 |
| Huazhong University of Science and Technology | 993 |
4 |
| Ope, LLC. | 14 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 27416 |
4 |
| The Board of Trustees of the Leland Stanford Junior University | 6246 |
3 |
| Pioneer Corporation | 4628 |
3 |
| Japan Science and Technology Agency | 1418 |
3 |
| Gwangju Institute of Science and Technology | 737 |
3 |
| Other owners | 150 |