- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0256 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by the material
Patent holdings for IPC class H01L 31/0256
Total number of patents in this class: 661
10-year publication summary
|
73
|
62
|
70
|
49
|
19
|
26
|
25
|
10
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17937 |
30 |
| Toshiba Corporation | 12577 |
21 |
| Cubicpv Inc. | 115 |
20 |
| Samsung Electronics Co., Ltd. | 158156 |
14 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48490 |
13 |
| International Business Machines Corporation | 62672 |
12 |
| Oxford Photovoltaics Limited | 95 |
11 |
| Fujitsu Limited | 16867 |
10 |
| Panasonic Corporation | 18951 |
7 |
| Korea Research Institute of Chemical Technology | 1478 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
6 |
| SunPower Corporation | 359 |
6 |
| Tohoku University | 2989 |
6 |
| BASF SE | 21318 |
5 |
| The Regents of the University of California | 20790 |
5 |
| Sumitomo Electric Industries, Ltd. | 16396 |
5 |
| Massachusetts Institute of Technology | 10259 |
5 |
| Alliance for Sustainable Energy, LLC | 304 |
5 |
| Commonwealth Scientific and Industrial Research Organisation | 1653 |
5 |
| Kolon Industries, Inc. | 1844 |
5 |
| Other owners | 463 |