- 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 1/167 - 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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
Patent holdings for IPC class G02F 1/167
Total number of patents in this class: 2538
10-year publication summary
252
|
238
|
225
|
185
|
195
|
176
|
167
|
160
|
169
|
49
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
e Ink Corporation | 1411 |
590 |
Boe Technology Group Co., Ltd. | 35384 |
157 |
e Ink Holdings Inc. | 571 |
112 |
Hewlett-Packard Development Company, L.P. | 28538 |
86 |
Sony Corporation | 32931 |
59 |
LG Innotek Co., Ltd. | 6758 |
59 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
58 |
Bridgestone Corporation | 7067 |
56 |
Koninklijke Philips Electronics N.V. | 13133 |
54 |
e Ink California, LLC | 81 |
49 |
Toppan Printing Co., Ltd. | 2212 |
40 |
Brother Kogyo Kabushikikaisha | 1709 |
39 |
Merck Patent GmbH | 5909 |
37 |
Japan Display Inc. | 6202 |
36 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
35 |
Beijing BOE Display Technology Co., Ltd. | 2497 |
31 |
Amazon Technologies, Inc. | 24422 |
29 |
Samsung Display Co., Ltd. | 30585 |
23 |
Sharp Kabushiki Kaisha | 18957 |
23 |
LG Display Co., Ltd. | 11907 |
21 |
Other owners | 944 |