- 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 4/02 - Compositions for glass with special properties for coloured glass
Patent holdings for IPC class C03C 4/02
Total number of patents in this class: 524
10-year publication summary
|
56
|
35
|
44
|
38
|
28
|
43
|
50
|
39
|
24
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10504 |
153 |
| Asahi Glass Company, Limited | 2622 |
31 |
| SCHOTT AG | 1738 |
30 |
| AGC Glass Europe | 1178 |
28 |
| Agc, Inc. | 5524 |
24 |
| Owens-Brockway Glass Container Inc. | 798 |
21 |
| Vitro Flat Glass LLC | 515 |
19 |
| Vidrio Plano de Mexico, S.A. de C.V. | 41 |
14 |
| Nippon Electric Glass Co., Ltd. | 2555 |
13 |
| Eurokera S.N.C. | 154 |
10 |
| CDGM Glass Co., Ltd | 148 |
8 |
| Ivoclar Vivadent AG | 1047 |
7 |
| Hoya Corporation | 2721 |
6 |
| Eurokera | 45 |
6 |
| Saint-Gobain Glass France | 3239 |
6 |
| Vibrantz Corporation | 89 |
6 |
| Nippon Sheet Glass Company, Limited | 951 |
5 |
| Pilkington Group Limited | 777 |
5 |
| Saint-Gobain Sekurit France | 835 |
5 |
| Sibelco Nederland N.V. | 39 |
5 |
| Other owners | 122 |