- 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 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: 3012
10-year publication summary
|
246
|
243
|
249
|
285
|
236
|
257
|
252
|
209
|
174
|
86
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10504 |
1353 |
| Agc, Inc. | 5524 |
321 |
| Nippon Electric Glass Co., Ltd. | 2555 |
163 |
| Asahi Glass Company, Limited | 2622 |
152 |
| Samsung Display Co., Ltd. | 38627 |
77 |
| SCHOTT AG | 1738 |
69 |
| Apple Inc. | 58742 |
66 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 112 |
55 |
| Ohara Inc. | 212 |
44 |
| Hoya Corporation | 2721 |
43 |
| Nippon Sheet Glass Company, Limited | 951 |
34 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 114 |
34 |
| AGC Glass Europe | 1178 |
33 |
| Huawei Technologies Co., Ltd. | 123385 |
26 |
| Saint-Gobain Glass France | 3239 |
23 |
| Luxwall, Inc. | 130 |
18 |
| Samsung Electronics Co., Ltd. | 157719 |
17 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 420 |
17 |
| Central Glass Company, Limited | 1293 |
14 |
| Kornerstone Materials Technology Co., Ltd. | 27 |
13 |
| Other owners | 440 |