- 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 1/1503 - 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 an electrochromic effect caused by oxidation-reduction reactions in organic liquid solutions, e.g. viologen solutions
Patent holdings for IPC class G02F 1/1503
Total number of patents in this class: 98
10-year publication summary
|
2
|
6
|
17
|
20
|
17
|
10
|
16
|
5
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gentex Corporation | 1921 |
17 |
| Canon Inc. | 40509 |
11 |
| Ricoh Company, Ltd. | 13386 |
11 |
| Essilor International (compagnie Generale D'optique) | 2992 |
8 |
| Polyceed Inc. | 22 |
6 |
| Hyundai Motor Company | 22369 |
2 |
| PPG Industries Ohio, Inc. | 3444 |
2 |
| Clearist Inc. | 8 |
2 |
| Huntsman International LLC | 722 |
2 |
| Lannray Optoelectronics (Zhenjiang) Co. Ltd. | 23 |
2 |
| Samsung Electronics Co., Ltd. | 147787 |
1 |
| Apple Inc. | 55491 |
1 |
| Samsung Display Co., Ltd. | 35374 |
1 |
| Honda Motor Co., Ltd. | 25771 |
1 |
| Sony Corporation | 30921 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
1 |
| Au Optronics Corporation | 3381 |
1 |
| Kia Motors Corporation | 7751 |
1 |
| Boe Technology Group Co., Ltd. | 41668 |
1 |
| Acondicionamiento Tarrasense | 47 |
1 |
| Other owners | 25 |