- 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 3/078 - 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: 413
10-year publication summary
|
31
|
30
|
28
|
30
|
34
|
31
|
36
|
40
|
26
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
37 |
| Nippon Electric Glass Co., Ltd. | 2299 |
37 |
| SCHOTT AG | 1675 |
32 |
| Agc, Inc. | 4029 |
32 |
| Asahi Glass Company, Limited | 2985 |
29 |
| Owens-Brockway Glass Container Inc. | 716 |
19 |
| Hoya Corporation | 2822 |
14 |
| Nippon Sheet Glass Company, Limited | 992 |
11 |
| Saint-Gobain Glass France | 3641 |
8 |
| AGC Glass Europe | 1049 |
7 |
| Ohara Inc. | 200 |
7 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 94 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Sibelco UK Ltd. | 11 |
5 |
| Ivoclar Vivadent AG | 1060 |
4 |
| Novabone Products, LLC | 43 |
4 |
| Saint-Gobain Isover | 603 |
4 |
| Central Glass Company, Limited | 1244 |
3 |
| Ferro Corporation | 279 |
3 |
| Other owners | 139 |