- 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: 2838
10-year publication summary
211
|
246
|
243
|
249
|
285
|
235
|
254
|
246
|
208
|
75
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 10240 |
1279 |
Agc, Inc. | 4760 |
288 |
Nippon Electric Glass Co., Ltd. | 2450 |
158 |
Asahi Glass Company, Limited | 2807 |
152 |
Samsung Display Co., Ltd. | 34290 |
68 |
SCHOTT AG | 1709 |
64 |
Apple Inc. | 54527 |
62 |
Hoya Corporation | 2737 |
45 |
Ohara Inc. | 217 |
42 |
Nippon Sheet Glass Company, Limited | 999 |
33 |
Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 67 |
33 |
SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 101 |
30 |
AGC Glass Europe | 1120 |
29 |
Saint-Gobain Glass France | 3750 |
23 |
Huawei Technologies Co., Ltd. | 111237 |
21 |
Luxwall, Inc. | 72 |
18 |
Jiaxing Super Lighting Electric Appliance Co., Ltd | 400 |
16 |
Central Glass Company, Limited | 1264 |
15 |
Samsung Electronics Co., Ltd. | 144426 |
14 |
Kornerstone Materials Technology Co., Ltd. | 27 |
13 |
Other owners | 435 |