- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 6/04 - Light guidesStructural 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: 785
10-year publication summary
|
61
|
48
|
69
|
62
|
54
|
57
|
52
|
50
|
46
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 2872 |
65 |
| The Furukawa Electric Co., Ltd. | 3601 |
39 |
| Light Field Lab, Inc. | 194 |
37 |
| Sumitomo Electric Industries, Ltd. | 15015 |
35 |
| Corning Research & Development Corporation | 1170 |
27 |
| Nippon Telegraph and Telephone Corporation | 16416 |
18 |
| Corning Optical Communications LLC | 1711 |
17 |
| Olympus Corporation | 13267 |
13 |
| OFS Fitel, LLC | 555 |
12 |
| SCHOTT AG | 1677 |
12 |
| Corning Incorporated | 10145 |
9 |
| National University Corporation Hokkaido University | 1332 |
9 |
| SCHOTT Corporation | 75 |
9 |
| Konica Minolta, Inc. | 8558 |
7 |
| Chiral Photonics, Inc. | 51 |
7 |
| Apple Inc. | 52932 |
6 |
| Northrop Grumman Systems Corporation | 2933 |
6 |
| AFL Telecommunications LLC | 686 |
6 |
| Cilag GmbH International | 6062 |
6 |
| Sony Corporation | 31518 |
5 |
| Other owners | 440 |