- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 8/22 - Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions containing two or more distinct frits having different compositions
Patent holdings for IPC class C03C 8/22
Total number of patents in this class: 84
10-year publication summary
|
9
|
7
|
9
|
8
|
6
|
5
|
4
|
5
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ferro Corporation | 279 |
11 |
| Fenzi AGT Netherlands B.V. | 14 |
7 |
| Ferro GmbH | 21 |
4 |
| Guardian Glass, LLC | 558 |
4 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Johnson Matthey Public Limited Company | 1852 |
3 |
| Changzhou Fusion New Material Co., Ltd. | 61 |
3 |
| Solar Paste, LLC | 124 |
3 |
| TDK Corporation | 6306 |
2 |
| Guardian Industries Corp. | 392 |
2 |
| LS-Nikko Copper Inc. | 59 |
2 |
| Nippon Electric Glass Co., Ltd. | 2299 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Shoei Chemical Inc. | 320 |
2 |
| General Electric Company | 18133 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Panasonic Corporation | 20786 |
1 |
| NGK Insulators, Ltd. | 4589 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| Other owners | 26 |