- 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 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
Patent holdings for IPC class C03C 21/00
Total number of patents in this class: 2772
10-year publication summary
|
211
|
246
|
243
|
249
|
284
|
235
|
252
|
244
|
205
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10087 |
1256 |
| Agc, Inc. | 4414 |
275 |
| Nippon Electric Glass Co., Ltd. | 2388 |
156 |
| Asahi Glass Company, Limited | 2885 |
152 |
| SCHOTT AG | 1671 |
62 |
| Apple Inc. | 52547 |
60 |
| Samsung Display Co., Ltd. | 32641 |
60 |
| Hoya Corporation | 2812 |
47 |
| Ohara Inc. | 213 |
41 |
| Nippon Sheet Glass Company, Limited | 999 |
33 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 65 |
31 |
| AGC Glass Europe | 1101 |
29 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 96 |
29 |
| Saint-Gobain Glass France | 3774 |
23 |
| Huawei Technologies Co., Ltd. | 106382 |
20 |
| Luxwall, Inc. | 53 |
18 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 373 |
16 |
| Central Glass Company, Limited | 1241 |
15 |
| Samsung Electronics Co., Ltd. | 138320 |
13 |
| Kornerstone Materials Technology Co., Ltd. | 28 |
13 |
| Other owners | 423 |