- 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: 444
10-year publication summary
|
32
|
45
|
40
|
37
|
39
|
49
|
43
|
34
|
35
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2777 |
34 |
| Corning Optical Communications LLC | 1741 |
29 |
| CommScope Technologies LLC | 4937 |
26 |
| Sumitomo Electric Industries, Ltd. | 14131 |
16 |
| Corning Research & Development Corporation | 1087 |
16 |
| SEI Optifrontier Co., Ltd. | 164 |
15 |
| Nippon Telegraph and Telephone Corporation | 14195 |
14 |
| Corning Cable Systems LLC | 455 |
10 |
| 3SAE Technologies, Inc. | 45 |
9 |
| Sumitomo Electric Optifrontier Co. Ltd. | 102 |
9 |
| Nitto Denko Corporation | 7879 |
8 |
| 3m Innovative Properties Company | 18406 |
7 |
| Corning Incorporated | 9932 |
7 |
| AFL Telecommunications LLC | 656 |
7 |
| OFS Fitel, LLC | 549 |
7 |
| Micron Technology, Inc. | 24960 |
5 |
| Lumentum Operations LLC | 696 |
5 |
| Oxford Fiber Ltd | 7 |
5 |
| US Conec, Ltd. | 232 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Other owners | 206 |