- 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 8/20 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing zirconium compounds
Patent holdings for IPC class C03C 8/20
Total number of patents in this class: 163
10-year publication summary
|
22
|
9
|
16
|
17
|
13
|
13
|
11
|
9
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70831 |
15 |
| Microban Products Company | 314 |
10 |
| Ferro Corporation | 263 |
9 |
| Nippon Electric Glass Co., Ltd. | 2388 |
8 |
| E. I. du Pont de Nemours and Company | 4253 |
7 |
| Corning Incorporated | 10087 |
7 |
| SCHOTT AG | 1671 |
5 |
| Nihon Yamamura Glass Co., Ltd. | 137 |
4 |
| Hitachi, Ltd. | 15177 |
3 |
| Murata Manufacturing Co., Ltd. | 23609 |
3 |
| Eurokera S.N.C. | 152 |
3 |
| Ferro GmbH | 20 |
3 |
| Heraeus Precious Metals North America Conshohocken LLC | 52 |
3 |
| Saga Prefecture | 7 |
3 |
| Saint-Gobain Glass France | 3774 |
3 |
| Zgrit Limited | 3 |
3 |
| Dal-tile, LLC | 61 |
3 |
| Monalisa Group Co., Ltd. | 35 |
2 |
| Nemak, S.A.B. de C.V. | 92 |
2 |
| Toagosei Co., Ltd. | 951 |
2 |
| Other owners | 65 |