- 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 2/02 - Frequency-changing of light, e.g. by quantum counters
Patent holdings for IPC class G02F 2/02
Total number of patents in this class: 283
10-year publication summary
12
|
16
|
22
|
32
|
14
|
13
|
15
|
12
|
10
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
12 |
Samsung Display Co., Ltd. | 30585 |
10 |
Samsung Electronics Co., Ltd. | 131630 |
6 |
Raytheon Company | 8535 |
5 |
Massachusetts Institute of Technology | 9795 |
5 |
LG Display Co., Ltd. | 11907 |
4 |
NEC Corporation | 32703 |
4 |
Mitsubishi Electric Corporation | 43934 |
4 |
National Institute of Information and Communications Technology | 594 |
4 |
Shenzhen University | 1544 |
4 |
Bambu Vault LLC | 25 |
4 |
The Regents of the University of California | 18943 |
3 |
Electronics and Telecommunications Research Institute | 8830 |
3 |
Institut National de La Recherche Scientifique | 246 |
3 |
Nanowave Technologies Inc. | 47 |
3 |
National Institute of Information and Communications Technology, Incorporated Administrative Agency | 37 |
3 |
OFS Fitel, LLC | 549 |
3 |
Rensselaer Polytechnic Institute | 776 |
3 |
Technische Universiteit Delft | 646 |
3 |
Honeywell International Inc. | 13799 |
2 |
Other owners | 195 |