- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/028 - Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic System
Patent holdings for IPC class H01L 31/028
Total number of patents in this class: 979
10-year publication summary
|
157
|
152
|
120
|
135
|
96
|
86
|
73
|
33
|
62
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maxeon Solar Pte. Ltd. | 706 |
64 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46224 |
48 |
| International Business Machines Corporation | 61759 |
40 |
| Samsung Electronics Co., Ltd. | 149362 |
27 |
| GLOBALFOUNDRIES U.S. Inc. | 6418 |
20 |
| Depuy Synthes Products, LLC | 2782 |
16 |
| Nokia Technologies Oy | 19263 |
16 |
| Artilux Inc. | 146 |
16 |
| W&wsens Devices, Inc. | 23 |
15 |
| Toshiba Corporation | 12543 |
13 |
| Nokia Solutions And Networks Oy | 6885 |
11 |
| Sony Corporation | 30760 |
10 |
| Nippon Telegraph and Telephone Corporation | 16254 |
10 |
| Artilux, Inc. | 35 |
10 |
| Cisco Technology, Inc. | 22104 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
9 |
| Emberion Oy | 58 |
9 |
| The Research Foundation for The State University of New York | 1671 |
9 |
| Sionyx, LLC | 96 |
9 |
| Renesas Electronics Corporation | 5926 |
8 |
| Other owners | 610 |