- 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: 340
10-year publication summary
|
26
|
16
|
29
|
19
|
21
|
12
|
17
|
23
|
16
|
8
|
| 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. | 3486 |
34 |
| Nippon Telegraph and Telephone Corporation | 14195 |
25 |
| Corning Incorporated | 9932 |
19 |
| Fujikura Ltd. | 2777 |
17 |
| NKT Photonics A/S | 215 |
15 |
| Sumitomo Electric Industries, Ltd. | 14131 |
12 |
| The Regents of the University of California | 18943 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
6 |
| OFS Fitel, LLC | 549 |
6 |
| OmniGuide, Inc. | 46 |
5 |
| Universite de Limoges | 191 |
5 |
| Guill Tool & Engineering Co., Inc. | 43 |
4 |
| National University Corporation Hokkaido University | 1323 |
4 |
| AFL Telecommunications LLC | 656 |
3 |
| Heraeus Quarzglas GmbH & Co. KG | 420 |
3 |
| Jiangsu University | 950 |
3 |
| OptaSense Holdings Limited | 190 |
3 |
| STMicroelectronics International N.V. | 1484 |
3 |
| Other owners | 154 |