- 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 4/00 - Compositions for glass with special properties
Patent holdings for IPC class C03C 4/00
Total number of patents in this class: 874
10-year publication summary
|
64
|
74
|
76
|
79
|
85
|
79
|
60
|
87
|
63
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
175 |
| Ivoclar Vivadent AG | 1060 |
82 |
| AGC Glass Europe | 1049 |
38 |
| Agc, Inc. | 4029 |
31 |
| Nippon Electric Glass Co., Ltd. | 2299 |
28 |
| SCHOTT AG | 1675 |
28 |
| HASS Co., Ltd. | 54 |
18 |
| Asahi Glass Company, Limited | 2985 |
13 |
| DENTSPLY SIRONA Inc. | 1860 |
12 |
| GC Corporation | 418 |
12 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 294 |
10 |
| Vitro Flat Glass LLC | 419 |
10 |
| LG Electronics Inc. | 69257 |
8 |
| CDGM Glass Co., Ltd | 124 |
8 |
| DeguDent GmbH | 238 |
8 |
| 1824930 Alberta Ltd | 38 |
8 |
| 3m Innovative Properties Company | 18406 |
7 |
| Pandian Bio-Medical Research Centre | 7 |
7 |
| Owens-Brockway Glass Container Inc. | 716 |
6 |
| Centre National de La Recherche Scientifique | 9632 |
5 |
| Other owners | 360 |