- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/04 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
Patent holdings for IPC class G02B 6/04
Total number of patents in this class: 778
10-year publication summary
|
63
|
61
|
48
|
69
|
62
|
53
|
57
|
52
|
50
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2813 |
65 |
| The Furukawa Electric Co., Ltd. | 3528 |
39 |
| Light Field Lab, Inc. | 188 |
35 |
| Sumitomo Electric Industries, Ltd. | 14461 |
34 |
| Corning Research & Development Corporation | 1110 |
23 |
| Nippon Telegraph and Telephone Corporation | 15230 |
17 |
| Corning Optical Communications LLC | 1723 |
17 |
| Olympus Corporation | 13392 |
13 |
| OFS Fitel, LLC | 548 |
12 |
| SCHOTT AG | 1670 |
12 |
| SCHOTT Corporation | 77 |
10 |
| Corning Incorporated | 9972 |
9 |
| National University Corporation Hokkaido University | 1319 |
9 |
| Konica Minolta, Inc. | 8382 |
7 |
| Chiral Photonics, Inc. | 50 |
7 |
| Apple Inc. | 51037 |
6 |
| Northrop Grumman Systems Corporation | 2937 |
6 |
| AFL Telecommunications LLC | 673 |
6 |
| Cilag GmbH International | 5889 |
6 |
| Sony Corporation | 31863 |
5 |
| Other owners | 440 |