- 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 therein; non-linear optics; frequency-changing of light; optical logic elements; optical analogue/digital converters
- G02F 1/15 - 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 modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
Patent holdings for IPC class G02F 1/15
Total number of patents in this class: 1843
10-year publication summary
145
|
172
|
201
|
169
|
159
|
116
|
80
|
76
|
62
|
16
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
View, Inc. | 792 |
214 |
Gentex Corporation | 1742 |
162 |
Sage Electrochromics, Inc. | 246 |
56 |
Boe Technology Group Co., Ltd. | 35384 |
48 |
Ricoh Company, Ltd. | 13266 |
45 |
Konica Minolta Holdings, Inc. | 1086 |
40 |
Saint-Gobain Glass France | 3641 |
38 |
LG Chem, Ltd. | 17205 |
35 |
Halio, Inc. | 113 |
30 |
Siemens AG | 24990 |
26 |
Canon Inc. | 36841 |
25 |
Essilor International (compagnie Generale D'optique) | 2918 |
23 |
Canon Kabushiki Kaisha | 6884 |
21 |
Furcifer Inc. | 37 |
19 |
National Institute for Materials Science | 1108 |
16 |
Sony Corporation | 32931 |
15 |
e Ink Corporation | 1411 |
15 |
Kinestral Technologies, Inc. | 33 |
15 |
Solutia Canada Inc | 45 |
15 |
Hivisq Technologies, S.L. | 29 |
15 |
Other owners | 970 |