- All sections
- C - Chemistry; metallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag wool; supplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 37/025 - Manufacture of glass fibres or filaments by drawing or extruding from reheated softened tubes, rods, fibres or filaments
Patent holdings for IPC class C03B 37/025
Total number of patents in this class: 232
10-year publication summary
|
20
|
27
|
30
|
29
|
25
|
20
|
16
|
12
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10087 |
44 |
| Fujikura Ltd. | 2858 |
23 |
| Sumitomo Electric Industries, Ltd. | 14914 |
14 |
| Shin-Etsu Chemical Co., Ltd. | 5437 |
7 |
| The Furukawa Electric Co., Ltd. | 3590 |
6 |
| Heraeus Quarzglas GmbH & Co. KG | 408 |
5 |
| NKT Photonics A/S | 233 |
5 |
| Redwire Space, Inc. | 31 |
5 |
| 3SAE Technologies, Inc. | 46 |
4 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 342 |
4 |
| nLIGHT, Inc. | 395 |
4 |
| OFS Fitel, LLC | 553 |
4 |
| Everix, Inc. | 20 |
3 |
| j-fiber GmbH | 26 |
3 |
| Prysmian S.p.A. | 859 |
3 |
| Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences | 131 |
3 |
| FOMS Inc. | 4 |
3 |
| Heraeus Quartz North America LLC | 26 |
3 |
| Yangze Optical Fibre and Cable Company, Ltd | 27 |
3 |
| Covestro (Netherlands) B.V. | 292 |
3 |
| Other owners | 83 |