- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
- C03C 3/07 - Glass compositions containing silica with less than 40% silica by weight containing lead
Patent holdings for IPC class C03C 3/07
Total number of patents in this class: 43
10-year publication summary
|
6
|
3
|
2
|
0
|
3
|
4
|
4
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 3973 |
6 |
| SCHOTT AG | 1707 |
6 |
| Nippon Electric Glass Co., Ltd. | 2474 |
5 |
| Solar Paste, LLC | 123 |
4 |
| Corning Incorporated | 10336 |
3 |
| Changzhou Fusion New Material Co., Ltd. | 56 |
3 |
| SCHOTT Corporation | 72 |
2 |
| Jiangsu Riyu Photovoltaic New Material Co., Ltd. | 5 |
2 |
| Cnbm Photonics Technology Co., Ltd. | 6 |
2 |
| Ricoh Company, Ltd. | 13391 |
1 |
| Dundee Sustainable Technologies Inc. | 27 |
1 |
| Giga Solar Materials Corp. | 5 |
1 |
| Hammond Group, Inc. | 26 |
1 |
| Hanwha Chemical Corporation | 314 |
1 |
| Nihon Yamamura Glass Co., Ltd. | 132 |
1 |
| Karen Khorenovich Avakyan | 1 |
1 |
| GKAT Reclamation, LLC | 5 |
1 |
| Shandong Guangyun Intelligent Technology Co., Ltd. | 38 |
1 |
| Heraeus Photovoltaics Technology (Shanghai) Co., Ltd. | 11 |
1 |
| Other owners | 0 |