- 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 3/062 - Glass compositions containing silica with less than 40% silica by weight
Patent holdings for IPC class C03C 3/062
Total number of patents in this class: 504
10-year publication summary
|
40
|
32
|
36
|
47
|
45
|
40
|
30
|
35
|
34
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10257 |
79 |
| Nippon Electric Glass Co., Ltd. | 2455 |
56 |
| Ohara Inc. | 217 |
37 |
| SCHOTT AG | 1712 |
28 |
| Agc, Inc. | 4827 |
27 |
| Hoya Corporation | 2746 |
20 |
| CDGM Glass Co., Ltd | 137 |
14 |
| Nikon Corporation | 7162 |
11 |
| 3m Innovative Properties Company | 17849 |
10 |
| Guardian Glass, LLC | 574 |
8 |
| Asahi Glass Company, Limited | 2792 |
5 |
| Ivoclar Vivadent AG | 1053 |
5 |
| Morgan Advanced Materials plc | 114 |
5 |
| Saint-Gobain Isover | 631 |
5 |
| Nippon Fiber Corporation | 35 |
5 |
| Changzhou Fusion New Material Co., Ltd. | 56 |
5 |
| Ferro Corporation | 242 |
4 |
| Nippon Sheet Glass Company, Limited | 996 |
4 |
| SCHOTT Corporation | 72 |
4 |
| Hansol Iones Co., Ltd. | 10 |
4 |
| Other owners | 168 |