- 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 1/025 - 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 semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction in an optical waveguide structure
Patent holdings for IPC class G02F 1/025
Total number of patents in this class: 1060
10-year publication summary
81
|
116
|
104
|
106
|
115
|
106
|
109
|
99
|
66
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Telegraph and Telephone Corporation | 14195 |
72 |
Rockley Photonics Limited | 399 |
57 |
Cisco Technology, Inc. | 18858 |
48 |
NEC Corporation | 32703 |
36 |
Huawei Technologies Co., Ltd. | 100781 |
31 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
26 |
Renesas Electronics Corporation | 6305 |
25 |
Ciena Corporation | 1927 |
24 |
OpenLight Photonics, Inc | 180 |
23 |
Sumitomo Electric Industries, Ltd. | 14131 |
21 |
Mitsubishi Electric Corporation | 43934 |
21 |
Massachusetts Institute of Technology | 9795 |
21 |
Marvell Asia PTE, Ltd. | 6841 |
20 |
Nokia Solutions And Networks Oy | 5698 |
17 |
Hewlett Packard Enterprise Development LP | 10702 |
17 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
STMicroelectronics (Crolles 2) SAS | 634 |
15 |
STMicroelectronics International N.V. | 1484 |
15 |
Fujikura Ltd. | 2777 |
14 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
14 |
Other owners | 528 |