- 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 1/1523 - 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 characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
Patent holdings for IPC class G02F 1/1523
Total number of patents in this class: 370
10-year publication summary
|
23
|
32
|
63
|
64
|
50
|
37
|
39
|
31
|
22
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| View Operating Corporation | 565 |
74 |
| Sage Electrochromics, Inc. | 258 |
23 |
| Smart Window Inc., Limited | 107 |
23 |
| Hivisq Technologies, S.L. | 29 |
13 |
| Ricoh Company, Ltd. | 13342 |
10 |
| Apple Inc. | 58742 |
7 |
| Lannray Optoelectronics (Zhenjiang) Co. Ltd. | 24 |
6 |
| LG Chem, Ltd. | 17921 |
5 |
| Essilor International (compagnie Generale D'optique) | 2994 |
5 |
| Korea Fuel-Tech Corporation | 29 |
5 |
| Polyceed Inc. | 23 |
5 |
| Vitro Flat Glass LLC | 515 |
5 |
| Canon Inc. | 43817 |
4 |
| Nitto Denko Corporation | 8536 |
4 |
| View, Inc. | 279 |
4 |
| Gentex Corporation | 1968 |
4 |
| Industry-university Cooperation Foundation Hanyang University Erica Campus | 642 |
4 |
| National Institute for Materials Science | 1085 |
4 |
| Saint-Gobain Glass France | 3239 |
4 |
| SKC Co., Ltd. | 326 |
4 |
| Other owners | 157 |