- 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 4/20 - Compositions for glass with special properties for chemical resistant glass
Patent holdings for IPC class C03C 4/20
Total number of patents in this class: 176
10-year publication summary
|
11
|
12
|
20
|
21
|
24
|
15
|
9
|
14
|
16
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
56 |
| SCHOTT AG | 1675 |
39 |
| Nippon Electric Glass Co., Ltd. | 2299 |
16 |
| SGD S.A. | 51 |
8 |
| LG Electronics Inc. | 69257 |
5 |
| Agc, Inc. | 4029 |
5 |
| CDGM Glass Co., Ltd | 124 |
3 |
| Iones Co., Ltd. | 20 |
3 |
| HASS Co., Ltd. | 54 |
2 |
| Nipro Corporation | 995 |
2 |
| Owens-Brockway Glass Container Inc. | 716 |
2 |
| Owens Corning Intellectual Capital, LLC | 1456 |
2 |
| Sunshine Lake Pharma Co., Ltd. | 542 |
2 |
| Electric Glass Fiber America, LLC | 63 |
2 |
| ARC France | 22 |
2 |
| Nippon Electric Glass America, Inc. | 21 |
2 |
| General Electric Company | 18133 |
1 |
| Sandoz AG | 1392 |
1 |
| Aisin Keikinzoku Co., Ltd. | 83 |
1 |
| AGC Glass Europe | 1049 |
1 |
| Other owners | 21 |