- 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: 824
10-year publication summary
|
48
|
69
|
62
|
54
|
58
|
52
|
53
|
49
|
41
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikura Ltd. | 3087 |
73 |
| Sumitomo Electric Industries, Ltd. | 16331 |
40 |
| The Furukawa Electric Co., Ltd. | 3694 |
39 |
| Corning Research & Development Corporation | 1303 |
33 |
| Cmbg Fbc-light Field Lab, LLC | 60 |
19 |
| Nippon Telegraph and Telephone Corporation | 15924 |
17 |
| Corning Optical Communications LLC | 1270 |
14 |
| Olympus Corporation | 12939 |
13 |
| OFS Fitel, LLC | 574 |
13 |
| SCHOTT AG | 1738 |
12 |
| Light Field Lab, Inc. | 92 |
10 |
| National University Corporation Hokkaido University | 1366 |
9 |
| Corning Incorporated | 10504 |
8 |
| Konica Minolta, Inc. | 9119 |
7 |
| Chiral Photonics, Inc. | 53 |
7 |
| nLIGHT, Inc. | 417 |
7 |
| Pacific Light & Hologram, Inc. | 84 |
7 |
| Apple Inc. | 58742 |
6 |
| AFL Telecommunications LLC | 765 |
6 |
| Cilag GmbH International | 6410 |
6 |
| Other owners | 478 |