- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/255 - Splicing of light guides, e.g. by fusion or bonding
Patent holdings for IPC class G02B 6/255
Total number of patents in this class: 1406
10-year publication summary
|
90
|
90
|
116
|
89
|
108
|
131
|
93
|
90
|
80
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2953 |
144 |
| Sumitomo Electric Industries, Ltd. | 15659 |
84 |
| SEI Optifrontier Co., Ltd. | 163 |
68 |
| CommScope Technologies LLC | 3248 |
64 |
| Sumitomo Electric Optifrontier Co. Ltd. | 162 |
59 |
| The Furukawa Electric Co., Ltd. | 3702 |
47 |
| AFL Telecommunications LLC | 735 |
46 |
| Corning Research & Development Corporation | 1200 |
39 |
| Corning Optical Communications LLC | 1308 |
33 |
| nLIGHT, Inc. | 413 |
29 |
| Corning Incorporated | 10327 |
22 |
| OFS Fitel, LLC | 566 |
22 |
| 3SAE Technologies, Inc. | 46 |
21 |
| CommScope Connectivity Belgium BVBA | 504 |
19 |
| NEC Corporation | 36124 |
16 |
| CCS Technology, Inc. | 150 |
16 |
| Nippon Telegraph and Telephone Corporation | 16975 |
15 |
| Huawei Technologies Co., Ltd. | 114320 |
12 |
| CommScope EMEA Limited | 324 |
10 |
| Lumentum Operations LLC | 747 |
10 |
| Other owners | 630 |