- 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 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
Patent holdings for IPC class C03C 3/078
Total number of patents in this class: 433
10-year publication summary
|
28
|
28
|
30
|
33
|
30
|
34
|
37
|
26
|
23
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10327 |
41 |
| Nippon Electric Glass Co., Ltd. | 2471 |
38 |
| Agc, Inc. | 4944 |
38 |
| SCHOTT AG | 1708 |
32 |
| Asahi Glass Company, Limited | 2758 |
29 |
| Owens-Brockway Glass Container Inc. | 771 |
20 |
| Hoya Corporation | 2756 |
14 |
| Nippon Sheet Glass Company, Limited | 981 |
11 |
| Saint-Gobain Glass France | 3247 |
10 |
| Centre National de La Recherche Scientifique | 10576 |
7 |
| AGC Glass Europe | 1141 |
7 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 103 |
7 |
| LG Electronics Inc. | 73690 |
6 |
| Ohara Inc. | 212 |
6 |
| Sibelco UK Ltd. | 11 |
5 |
| Novabone Products, LLC | 44 |
4 |
| Saint-Gobain Isover | 644 |
4 |
| Vitro Flat Glass LLC | 472 |
4 |
| Guardian Glass, LLC | 572 |
4 |
| CDGM Glass Co., Ltd | 139 |
3 |
| Other owners | 143 |