- 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: 11615
10-year publication summary
|
1181
|
1167
|
1233
|
1745
|
1679
|
1762
|
779
|
445
|
18
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boe Technology Group Co., Ltd. | 41217 |
2319 |
| Samsung Display Co., Ltd. | 34798 |
1924 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5286 |
710 |
| LG Display Co., Ltd. | 13518 |
570 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 6559 |
358 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 3720 |
319 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
290 |
| JDI Design and Development G.K. | 1182 |
198 |
| Ordos Yuansheng Optoelectronics Co., Ltd. | 1275 |
179 |
| Beijing BOE Technology Development Co., Ltd. | 2866 |
178 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2567 |
176 |
| Sharp Corporation | 10245 |
171 |
| LG Chem, Ltd. | 17638 |
170 |
| Japan Display Inc. | 6953 |
167 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4201 |
159 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
138 |
| Applied Materials, Inc. | 18658 |
127 |
| Universal Display Corporation | 1910 |
114 |
| Kateeva, Inc. | 393 |
101 |
| Pictiva Displays International Limited | 263 |
88 |
| Other owners | 3159 |