- 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 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
|
2
|
2
|
7
|
4
|
2
|
0
|
1
|
3
|
0
|
2
|
| 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 |
5 |
| Shoei Chemical Inc. | 320 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 144 |
2 |
| Soltrium Advanced Materials Technology, Ltd Shenzhen | 15 |
2 |
| Corning Incorporated | 9932 |
1 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1254 |
1 |
| Hammond Group, Inc. | 27 |
1 |
| Hanwha Chemical Corporation | 325 |
1 |
| Heraeus Precious Metals North America Conshohocken LLC | 53 |
1 |
| Isuzu Glass Company, Ltd. | 11 |
1 |
| Namics Corporation | 393 |
1 |
| Ohara Inc. | 200 |
1 |
| Quarkstar LLC | 215 |
1 |
| SCHOTT AG | 1675 |
1 |
| So.g.i.n. - Societa' Gestione Impianti Nucleari | 1 |
1 |
| Solar Paste, LLC | 124 |
1 |
| Resonac Corporation | 2233 |
1 |
| Jiangsu Riyu Photovoltaic New Material Co., Ltd. | 5 |
1 |
| Other owners | 0 |