- 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 3/074 - Glass compositions containing silica with less than 40% silica by weight containing lead containing boron containing zinc
Patent holdings for IPC class C03C 3/074
Total number of patents in this class: 27
10-year publication summary
|
7
|
4
|
2
|
0
|
1
|
3
|
0
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 3542 |
5 |
| Shoei Chemical Inc. | 332 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 129 |
2 |
| Soltrium Advanced Materials Technology, Ltd Shenzhen | 26 |
2 |
| Corning Incorporated | 10500 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1443 |
1 |
| Hammond Group, Inc. | 26 |
1 |
| Hanwha Chemical Corporation | 309 |
1 |
| Heraeus Precious Metals North America Conshohocken LLC | 46 |
1 |
| Isuzu Glass Company, Ltd. | 8 |
1 |
| Namics Corporation | 482 |
1 |
| Ohara Inc. | 212 |
1 |
| Quarkstar LLC | 225 |
1 |
| SCHOTT AG | 1737 |
1 |
| So.g.i.n. - Societa' Gestione Impianti Nucleari | 1 |
1 |
| Solar Paste, LLC | 120 |
1 |
| Resonac Corporation | 3516 |
1 |
| Jiangsu Riyu Photovoltaic New Material Co., Ltd. | 5 |
1 |
| Other owners | 0 |