- 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 8/18 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing free metals
Patent holdings for IPC class C03C 8/18
Total number of patents in this class: 277
10-year publication summary
|
24
|
29
|
41
|
27
|
26
|
15
|
9
|
19
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 4345 |
23 |
| Changzhou Fusion New Material Co., Ltd. | 61 |
22 |
| Hitachi Chemical Company, Ltd. | 2455 |
15 |
| Ferro Corporation | 279 |
15 |
| Solar Paste, LLC | 124 |
14 |
| Murata Manufacturing Co., Ltd. | 22355 |
13 |
| Shoei Chemical Inc. | 320 |
12 |
| Hitachi, Ltd. | 16452 |
10 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
9 |
| Heraeus Precious Metals North America Conshohocken LLC | 53 |
9 |
| Namics Corporation | 393 |
8 |
| Resonac Corporation | 2233 |
7 |
| Johnson Matthey Public Limited Company | 1852 |
5 |
| Microban Products Company | 313 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 144 |
4 |
| Noritake Co., Limited | 224 |
4 |
| Samtec, Inc. | 455 |
4 |
| Nantong T-sun New Energy Co.,Ltd. | 41 |
4 |
| Asahi Glass Company, Limited | 2985 |
3 |
| Central Glass Company, Limited | 1244 |
3 |
| Other owners | 89 |