- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/032 - Optical fibres with cladding with non-solid core or cladding
Patent holdings for IPC class G02B 6/032
Total number of patents in this class: 341
10-year publication summary
|
26
|
16
|
29
|
19
|
21
|
12
|
17
|
23
|
16
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Furukawa Electric Co., Ltd. | 3528 |
35 |
| Nippon Telegraph and Telephone Corporation | 15230 |
25 |
| Corning Incorporated | 9972 |
19 |
| Fujikura Ltd. | 2813 |
16 |
| NKT Photonics A/S | 227 |
15 |
| Sumitomo Electric Industries, Ltd. | 14461 |
12 |
| The Regents of the University of California | 19150 |
7 |
| The United States of America as represented by the Secretary of the Navy | 2651 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6111 |
6 |
| OFS Fitel, LLC | 548 |
6 |
| Centre National de La Recherche Scientifique | 9798 |
5 |
| OmniGuide, Inc. | 45 |
5 |
| Universite de Limoges | 199 |
5 |
| Guill Tool & Engineering Co., Inc. | 44 |
4 |
| Heraeus Quarzglas GmbH & Co. KG | 408 |
4 |
| National University Corporation Hokkaido University | 1319 |
4 |
| AFL Telecommunications LLC | 673 |
3 |
| Jiangsu University | 997 |
3 |
| OptaSense Holdings Limited | 193 |
3 |
| STMicroelectronics International N.V. | 2458 |
3 |
| Other owners | 155 |