- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 37/027 - Fibres composed of different sorts of glass, e.g. fibre optics
Patent holdings for IPC class C03B 37/027
Total number of patents in this class: 542
10-year publication summary
|
27
|
42
|
41
|
48
|
50
|
52
|
52
|
37
|
45
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
119 |
| Sumitomo Electric Industries, Ltd. | 15428 |
73 |
| Fujikura Ltd. | 2921 |
42 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
39 |
| The Furukawa Electric Co., Ltd. | 3645 |
15 |
| OFS Fitel, LLC | 562 |
15 |
| NKT Photonics A/S | 248 |
14 |
| ASML Netherlands B.V. | 7361 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5634 |
7 |
| j-fiber GmbH | 27 |
7 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 350 |
6 |
| Jiangsu Zhongtian Technology Co., Ltd. | 144 |
5 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1770 |
5 |
| nLIGHT, Inc. | 407 |
5 |
| Prysmian S.p.A. | 881 |
5 |
| Sterlite Technologies Limited | 222 |
5 |
| University of Central Florida Research Foundation, Inc. | 1175 |
5 |
| University of Southampton | 443 |
5 |
| Zhongtian Technology Fiber Potics Co., Ltd | 21 |
5 |
| Redwire Space, Inc. | 32 |
5 |
| Other owners | 148 |