- 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 37/027 - 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: 495
10-year publication summary
|
41
|
27
|
42
|
41
|
48
|
49
|
52
|
50
|
37
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
109 |
| Sumitomo Electric Industries, Ltd. | 14131 |
66 |
| Fujikura Ltd. | 2777 |
42 |
| Heraeus Quarzglas GmbH & Co. KG | 420 |
37 |
| The Furukawa Electric Co., Ltd. | 3486 |
14 |
| OFS Fitel, LLC | 549 |
14 |
| NKT Photonics A/S | 215 |
12 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
10 |
| ASML Netherlands B.V. | 6816 |
7 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 337 |
6 |
| j-fiber GmbH | 25 |
6 |
| Prysmian S.p.A. | 846 |
5 |
| University of Southampton | 444 |
5 |
| Redwire Space, Inc. | 33 |
5 |
| Centre National de La Recherche Scientifique | 9632 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
4 |
| Conductix Wampfler France | 44 |
4 |
| Draka Comteq, B.V. | 275 |
4 |
| Everix, Inc. | 18 |
4 |
| Jiangsu Zhongtian Technology Co., Ltd. | 92 |
4 |
| Other owners | 133 |