- 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: 267
10-year publication summary
|
36
|
40
|
25
|
27
|
22
|
12
|
16
|
22
|
33
|
9
|
| 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. | 5539 |
9 |
| Longi Solar Technology (Taizhou) Co., Ltd. | 77 |
8 |
| Tongwei Solar (meishan) Co., Ltd. | 50 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41489 |
6 |
| Zhejiang Jinko Solar Co., Ltd. | 227 |
6 |
| LONGi Green Energy Technology Co., Ltd. | 261 |
6 |
| Maxeon Solar Pte. Ltd. | 708 |
6 |
| Samsung Electronics Co., Ltd. | 141952 |
5 |
| The Regents of the University of California | 19675 |
5 |
| Micron Technology, Inc. | 26067 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10734 |
5 |
| Jinko Solar Co., Ltd. | 201 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11231 |
4 |
| Newsouth Innovations Pty Limited | 591 |
4 |
| Trina Solar Co., Ltd | 397 |
4 |
| SolAround Ltd. | 6 |
4 |
| Changzhou Shichuang Energy Co.,Ltd. | 69 |
4 |
| Merck Patent GmbH | 5821 |
3 |
| Canon Inc. | 38971 |
3 |
| Lawrence Livermore National Security, LLC | 1901 |
3 |
| Other owners | 165 |