- 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 1/39 - Non-linear optics for parametric generation or amplification of light, infrared, or ultraviolet waves
Patent holdings for IPC class G02F 1/39
Total number of patents in this class: 845
10-year publication summary
|
49
|
58
|
42
|
54
|
61
|
72
|
67
|
64
|
40
|
59
|
| 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 | 15898 |
48 |
| Ntt, Inc. | 4843 |
21 |
| California Institute of Technology | 4048 |
18 |
| University Court of The University of ST Andrews | 297 |
13 |
| Huawei Technologies Co., Ltd. | 125590 |
12 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
12 |
| Fujitsu Limited | 16814 |
11 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1936 |
11 |
| The Boeing Company | 20232 |
10 |
| Centre National de La Recherche Scientifique | 11143 |
10 |
| Canon Inc. | 44585 |
8 |
| The Board of Trustees of the Leland Stanford Junior University | 6734 |
8 |
| Hamamatsu Photonics K.K. | 4729 |
8 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2326 |
8 |
| Gigaphoton Inc. | 1337 |
8 |
| Riken | 1722 |
8 |
| Shenzhen University | 1738 |
8 |
| Massachusetts Institute of Technology | 10324 |
7 |
| Coherent, Inc. | 290 |
7 |
| Fastlite | 20 |
7 |
| Other owners | 602 |