- 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 3/062 - 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: 481
10-year publication summary
|
44
|
40
|
32
|
36
|
47
|
45
|
40
|
30
|
35
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
72 |
| Nippon Electric Glass Co., Ltd. | 2299 |
50 |
| Ohara Inc. | 200 |
36 |
| SCHOTT AG | 1675 |
30 |
| Agc, Inc. | 4029 |
24 |
| Hoya Corporation | 2822 |
20 |
| CDGM Glass Co., Ltd | 124 |
12 |
| Nikon Corporation | 7162 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| Guardian Glass, LLC | 558 |
8 |
| Saint-Gobain Isover | 603 |
6 |
| Changzhou Fusion New Material Co., Ltd. | 61 |
6 |
| Asahi Glass Company, Limited | 2985 |
5 |
| Ivoclar Vivadent AG | 1060 |
5 |
| Morgan Advanced Materials plc | 114 |
5 |
| Nippon Sheet Glass Company, Limited | 992 |
5 |
| Nippon Fiber Corporation | 29 |
5 |
| Ferro Corporation | 279 |
4 |
| SCHOTT Corporation | 77 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Other owners | 164 |