- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
Patent holdings for IPC class H01L 51/56
Total number of patents in this class: 11189
10-year publication summary
|
1167
|
1232
|
1745
|
1678
|
1742
|
630
|
279
|
14
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boe Technology Group Co., Ltd. | 44653 |
2251 |
| Samsung Display Co., Ltd. | 39087 |
1773 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5577 |
709 |
| LG Display Co., Ltd. | 15056 |
546 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 7884 |
337 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 3756 |
310 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8470 |
290 |
| Magnolia Blue Corporation | 1155 |
196 |
| Ordos Yuansheng Optoelectronics Co., Ltd. | 1300 |
178 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2652 |
176 |
| Beijing BOE Technology Development Co., Ltd. | 4383 |
176 |
| Sharp Corporation | 10868 |
166 |
| LG Chem, Ltd. | 17970 |
164 |
| Magnolia White Corporation | 5602 |
163 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4332 |
159 |
| Applied Materials, Inc. | 20579 |
125 |
| Semiconductor Energy Laboratory Co., Ltd. | 11896 |
117 |
| Universal Display Corporation | 2106 |
114 |
| Kateeva, Inc. | 396 |
100 |
| Pictiva Displays International Limited | 252 |
87 |
| Other owners | 3052 |