- 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: 2625
10-year publication summary
246
|
211
|
246
|
243
|
248
|
283
|
231
|
251
|
240
|
49
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
1209 |
Agc, Inc. | 4029 |
262 |
Asahi Glass Company, Limited | 2985 |
152 |
Nippon Electric Glass Co., Ltd. | 2299 |
151 |
Apple Inc. | 50209 |
59 |
SCHOTT AG | 1675 |
54 |
Samsung Display Co., Ltd. | 30585 |
53 |
Hoya Corporation | 2822 |
47 |
Ohara Inc. | 200 |
38 |
Nippon Sheet Glass Company, Limited | 992 |
33 |
SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 94 |
30 |
AGC Glass Europe | 1049 |
28 |
Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 41 |
23 |
Saint-Gobain Glass France | 3641 |
21 |
Huawei Technologies Co., Ltd. | 100781 |
18 |
Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
17 |
Central Glass Company, Limited | 1244 |
15 |
Kornerstone Materials Technology Co., Ltd. | 28 |
13 |
CSG Holding Co., Ltd. | 29 |
10 |
Technische Universitat Bergakademie Freiberg | 111 |
10 |
Other owners | 382 |