- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0288 - Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic System characterised by the doping material
Patent holdings for IPC class H01L 31/0288
Total number of patents in this class: 270
10-year publication summary
|
36
|
39
|
25
|
27
|
21
|
12
|
15
|
22
|
32
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5676 |
8 |
| Longi Solar Technology (Taizhou) Co., Ltd. | 79 |
8 |
| Zhejiang Jinko Solar Co., Ltd. | 235 |
7 |
| Tongwei Solar (meishan) Co., Ltd. | 58 |
7 |
| LONGi Green Energy Technology Co., Ltd. | 303 |
6 |
| Trina Solar Co., Ltd | 442 |
6 |
| Maxeon Solar Pte. Ltd. | 712 |
6 |
| Samsung Electronics Co., Ltd. | 147131 |
5 |
| The Regents of the University of California | 20015 |
5 |
| Micron Technology, Inc. | 26138 |
5 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10930 |
5 |
| Jinko Solar Co., Ltd. | 234 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11456 |
4 |
| Newsouth Innovations Pty Limited | 594 |
4 |
| SolAround Ltd. | 6 |
4 |
| Changzhou Shichuang Energy Co.,Ltd. | 72 |
4 |
| Merck Patent GmbH | 5814 |
3 |
| Canon Inc. | 40216 |
3 |
| Lawrence Livermore National Security, LLC | 1942 |
3 |
| Other owners | 167 |