- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/25 - Preparing the ends of light guides for coupling, e.g. cutting
Patent holdings for IPC class G02B 6/25
Total number of patents in this class: 474
10-year publication summary
|
45
|
40
|
37
|
39
|
49
|
44
|
35
|
37
|
32
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2921 |
42 |
| Corning Optical Communications LLC | 1311 |
29 |
| CommScope Technologies LLC | 3475 |
27 |
| Corning Research & Development Corporation | 1170 |
20 |
| Sumitomo Electric Industries, Ltd. | 15428 |
16 |
| SEI Optifrontier Co., Ltd. | 164 |
15 |
| Sumitomo Electric Optifrontier Co. Ltd. | 151 |
15 |
| Nippon Telegraph and Telephone Corporation | 17275 |
14 |
| 3SAE Technologies, Inc. | 45 |
11 |
| Corning Cable Systems LLC | 404 |
10 |
| Nitto Denko Corporation | 8217 |
7 |
| Corning Incorporated | 10252 |
7 |
| AFL Telecommunications LLC | 717 |
7 |
| OFS Fitel, LLC | 562 |
7 |
| 3m Innovative Properties Company | 17857 |
6 |
| The Furukawa Electric Co., Ltd. | 3645 |
6 |
| Micron Technology, Inc. | 26231 |
5 |
| Lumentum Operations LLC | 729 |
5 |
| US Conec, Ltd. | 271 |
5 |
| NEC Corporation | 35521 |
4 |
| Other owners | 216 |