- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating 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: 3216
10-year publication summary
|
239
|
310
|
361
|
293
|
295
|
242
|
198
|
260
|
221
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 37127 |
460 |
| Boe Technology Group Co., Ltd. | 42421 |
293 |
| Applied Materials, Inc. | 19577 |
211 |
| Dai Nippon Printing Co., Ltd. | 4169 |
154 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 7094 |
120 |
| Sharp Kabushiki Kaisha | 18616 |
90 |
| Ordos Yuansheng Optoelectronics Co., Ltd. | 1284 |
83 |
| Kunshan Go-visionox Opto-Electronics Co., Ltd. | 1075 |
49 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5397 |
45 |
| Canon Tokki Corporation | 100 |
42 |
| V Technology Co., Ltd. | 380 |
39 |
| LG Innotek Co., Ltd. | 8023 |
36 |
| Toppan Printing Co., Ltd. | 2115 |
34 |
| ULVAC, Inc. | 1373 |
32 |
| Sharp Corporation | 10358 |
30 |
| Hon Hai Precision Industry Co., Ltd. | 4007 |
29 |
| Universal Display Corporation | 1997 |
29 |
| eMagin Corporation | 85 |
23 |
| Sakai Display Products Corporation | 789 |
21 |
| Rtx Corporation | 9737 |
21 |
| Other owners | 1375 |