- 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: 100
10-year publication summary
2
|
7
|
17
|
21
|
17
|
11
|
17
|
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 | 1882 |
17 |
Canon Inc. | 39206 |
11 |
Ricoh Company, Ltd. | 13205 |
11 |
Essilor International (compagnie Generale D'optique) | 2970 |
8 |
Polyceed Inc. | 21 |
6 |
Hyundai Motor Company | 21406 |
2 |
PPG Industries Ohio, Inc. | 3419 |
2 |
Clearist Inc. | 8 |
2 |
Huntsman International LLC | 720 |
2 |
Vitro Flat Glass LLC | 448 |
2 |
Lannray Optoelectronics (Zhenjiang) Co. Ltd. | 22 |
2 |
Samsung Electronics Co., Ltd. | 143303 |
1 |
Apple Inc. | 54252 |
1 |
Samsung Display Co., Ltd. | 34061 |
1 |
Honda Motor Co., Ltd. | 25122 |
1 |
Sony Corporation | 31183 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 30769 |
1 |
Au Optronics Corporation | 3538 |
1 |
Kia Motors Corporation | 7764 |
1 |
National Taiwan University | 1205 |
1 |
Other owners | 26 |