- 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: 11474
10-year publication summary
|
1181
|
1167
|
1233
|
1745
|
1678
|
1754
|
717
|
401
|
15
|
1
|
| 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. | 41768 |
2297 |
| Samsung Display Co., Ltd. | 35702 |
1879 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5351 |
709 |
| LG Display Co., Ltd. | 13842 |
561 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 6763 |
352 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 3731 |
315 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
290 |
| Magnolia Blue Corporation | 1164 |
197 |
| Ordos Yuansheng Optoelectronics Co., Ltd. | 1280 |
179 |
| Beijing BOE Technology Development Co., Ltd. | 3195 |
177 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2574 |
176 |
| Sharp Corporation | 10290 |
169 |
| LG Chem, Ltd. | 17686 |
167 |
| Magnolia White Corporation | 5398 |
162 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4225 |
159 |
| Semiconductor Energy Laboratory Co., Ltd. | 11507 |
129 |
| Applied Materials, Inc. | 19087 |
127 |
| Universal Display Corporation | 1949 |
115 |
| Kateeva, Inc. | 394 |
101 |
| Pictiva Displays International Limited | 262 |
88 |
| Other owners | 3125 |