Français Register Login

  • 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 1/313 - Digital deflection devices in an optical waveguide structure

Patent holdings for IPC class G02F 1/313

Total number of patents in this class: 464

10-year publication summary

36
50
41
57
43
54
36
30
32
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Telegraph and Telephone Corporation
17228
35
NEC Corporation
35471
19
Huawei Technologies Co., Ltd.
111449
18
Psiquantum, Corp.
415
14
Digilens, Inc.
215
11
Nokia Solutions And Networks Oy
6549
8
Sumitomo Osaka Cement Co., Ltd.
843
8
Cisco Technology, Inc.
19734
7
Massachusetts Institute of Technology
10024
7
NTT Electronics Corporation
270
7
The Furukawa Electric Co., Ltd.
3638
7
Oxford University Innovation Limited
1507
7
Samsung Electronics Co., Ltd.
144675
6
The Regents of the University of California
19859
6
National Institute of Advanced Industrial Science and Technology
3792
6
GLOBALFOUNDRIES U.S. Inc.
6427
6
OpenLight Photonics, Inc
190
6
Apple Inc.
54577
5
International Business Machines Corporation
61144
5
Hewlett Packard Enterprise Development LP
10711
5
Other owners 271

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2025 IPQwery All rights reserved