- 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: 478
10-year publication summary
|
37
|
56
|
46
|
32
|
21
|
15
|
26
|
17
|
13
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18523 |
35 |
| Samsung Electronics Co., Ltd. | 157719 |
27 |
| Konica Minolta Holdings, Inc. | 790 |
23 |
| Boe Technology Group Co., Ltd. | 44029 |
19 |
| Hitachi Chemical Company, Ltd. | 2241 |
14 |
| Face International Corp. | 98 |
12 |
| Wuxi Clearink Limited | 28 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
10 |
| Oxford University Innovation Limited | 1663 |
10 |
| Hewlett-Packard Development Company, L.P. | 25184 |
8 |
| Nitto Denko Corporation | 8536 |
8 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
8 |
| Sekisui Chemical Co., Ltd. | 3614 |
8 |
| Vergent Research Pty Ltd | 16 |
7 |
| California Institute of Technology | 4040 |
6 |
| Stanley Electric Co., Ltd. | 1375 |
6 |
| LG Display Co., Ltd. | 14966 |
5 |
| Massachusetts Institute of Technology | 10251 |
5 |
| e Ink Corporation | 1548 |
5 |
| National University Corporation Chiba University | 502 |
5 |
| Other owners | 246 |