- 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: 2981
10-year publication summary
|
246
|
243
|
249
|
285
|
236
|
257
|
251
|
209
|
174
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10431 |
1335 |
| Agc, Inc. | 5355 |
316 |
| Nippon Electric Glass Co., Ltd. | 2521 |
164 |
| Asahi Glass Company, Limited | 2658 |
152 |
| Samsung Display Co., Ltd. | 37981 |
77 |
| SCHOTT AG | 1735 |
68 |
| Apple Inc. | 58208 |
64 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 103 |
51 |
| Hoya Corporation | 2735 |
45 |
| Ohara Inc. | 211 |
43 |
| Nippon Sheet Glass Company, Limited | 960 |
34 |
| AGC Glass Europe | 1158 |
33 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 113 |
33 |
| Huawei Technologies Co., Ltd. | 120888 |
26 |
| Saint-Gobain Glass France | 3223 |
23 |
| Luxwall, Inc. | 118 |
18 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 416 |
17 |
| Samsung Electronics Co., Ltd. | 154751 |
15 |
| Central Glass Company, Limited | 1287 |
14 |
| Kornerstone Materials Technology Co., Ltd. | 27 |
13 |
| Other owners | 440 |