- 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 4/08 - Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
Patent holdings for IPC class C03C 4/08
Total number of patents in this class: 362
10-year publication summary
|
31
|
24
|
50
|
23
|
39
|
28
|
17
|
41
|
22
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
58 |
| Agc, Inc. | 4029 |
46 |
| Nippon Electric Glass Co., Ltd. | 2299 |
29 |
| Asahi Glass Company, Limited | 2985 |
27 |
| SCHOTT AG | 1675 |
15 |
| PPG Industries Ohio, Inc. | 3430 |
13 |
| CDGM Glass Co., Ltd | 124 |
11 |
| Hoya Corporation | 2822 |
10 |
| Vidrio Plano de Mexico, S.A. de C.V. | 40 |
10 |
| AGC Glass Europe | 1049 |
8 |
| Bank of America Corporation | 6495 |
6 |
| ABK Biomedical Incorporated | 29 |
6 |
| Nippon Sheet Glass Company, Limited | 992 |
5 |
| Saint-Gobain Glass France | 3641 |
5 |
| Central Glass Company, Limited | 1244 |
4 |
| Ohara Inc. | 200 |
4 |
| Pilkington Group Limited | 748 |
4 |
| Vitro Flat Glass LLC | 419 |
4 |
| Heraeus Quarzglas GmbH & Co. KG | 420 |
3 |
| KCC Corporation | 256 |
3 |
| Other owners | 91 |