- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 14/04 - Coating on selected surface areas, e.g. using masks
Patent holdings for IPC class C23C 14/04
Total number of patents in this class: 2823
10-year publication summary
177
|
205
|
239
|
311
|
366
|
295
|
290
|
227
|
189
|
104
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Display Co., Ltd. | 30585 |
335 |
Boe Technology Group Co., Ltd. | 35384 |
273 |
Applied Materials, Inc. | 16587 |
192 |
Dai Nippon Printing Co., Ltd. | 3891 |
133 |
Chengdu BOE Optoelectronics Technology Co., Ltd. | 4805 |
108 |
Sharp Kabushiki Kaisha | 18957 |
90 |
Ordos Yuansheng Optoelectronics Co., Ltd. | 1232 |
83 |
Kunshan Go-visionox Opto-Electronics Co., Ltd. | 1003 |
51 |
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 4721 |
43 |
V Technology Co., Ltd. | 394 |
40 |
Toppan Printing Co., Ltd. | 2212 |
34 |
Sharp Corporation | 10015 |
31 |
ULVAC, Inc. | 1448 |
30 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
29 |
LG Innotek Co., Ltd. | 6758 |
28 |
Japan Display Inc. | 6202 |
25 |
Canon Tokki Corporation | 49 |
25 |
Universal Display Corporation | 1678 |
25 |
Sakai Display Products Corporation | 821 |
23 |
Tokyo Electron Limited | 11599 |
21 |
Other owners | 1204 |