- 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: 352
10-year publication summary
|
24
|
12
|
28
|
20
|
26
|
30
|
40
|
33
|
30
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 15924 |
30 |
| Fujikura Ltd. | 3087 |
22 |
| Shenzhen University | 1726 |
16 |
| Psiquantum, Corp. | 550 |
11 |
| Huawei Technologies Co., Ltd. | 123385 |
8 |
| Inter-University Research Institute Corporation Research Organization of Information and Systems | 121 |
8 |
| Milkshake Technology Inc. | 21 |
8 |
| Massachusetts Institute of Technology | 10251 |
7 |
| Hewlett Packard Enterprise Development LP | 11493 |
6 |
| Ntt, Inc. | 4133 |
6 |
| International Business Machines Corporation | 62634 |
5 |
| Toshiba Corporation | 12560 |
5 |
| Fujitsu Limited | 16874 |
5 |
| Huazhong University of Science and Technology | 1126 |
5 |
| Japan Science and Technology Agency | 1214 |
4 |
| Abu Dhabi University | 52 |
4 |
| Ope, LLC. | 14 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
4 |
| Cognifiber Ltd. | 13 |
4 |
| Centre National de La Recherche Scientifique | 11023 |
3 |
| Other owners | 187 |