- 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 1/19 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on variable-reflection or variable-refraction elements not provided for in groups
Patent holdings for IPC class G02F 1/19
Total number of patents in this class: 473
10-year publication summary
54
|
37
|
56
|
46
|
32
|
21
|
15
|
25
|
16
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sharp Kabushiki Kaisha | 18788 |
35 |
Samsung Electronics Co., Ltd. | 144675 |
27 |
Konica Minolta Holdings, Inc. | 931 |
27 |
Boe Technology Group Co., Ltd. | 40728 |
19 |
Hitachi Chemical Company, Ltd. | 2357 |
14 |
Face International Corp. | 99 |
12 |
Wuxi Clearink Limited | 29 |
11 |
Panasonic Intellectual Property Management Co., Ltd. | 31084 |
10 |
Oxford University Innovation Limited | 1507 |
10 |
Hewlett-Packard Development Company, L.P. | 25933 |
8 |
Nitto Denko Corporation | 8206 |
8 |
National Institute of Advanced Industrial Science and Technology | 3792 |
8 |
Sekisui Chemical Co., Ltd. | 3381 |
8 |
Vergent Research Pty Ltd | 16 |
7 |
California Institute of Technology | 3973 |
6 |
Stanley Electric Co., Ltd. | 1223 |
6 |
Massachusetts Institute of Technology | 10024 |
5 |
National University Corporation Chiba University | 495 |
5 |
Opalux Incorporated | 27 |
5 |
LG Display Co., Ltd. | 13283 |
4 |
Other owners | 238 |