- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/0328 - Inorganic materials including, apart from doping materials or other impurities, semiconductor materials provided for in two or more of groups
Patent holdings for IPC class H01L 31/0328
Total number of patents in this class: 346
10-year publication summary
|
30
|
20
|
19
|
17
|
9
|
9
|
9
|
4
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147003 |
20 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43015 |
18 |
| GLOBALFOUNDRIES U.S. Inc. | 6425 |
9 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1414 |
9 |
| Toshiba Corporation | 12376 |
7 |
| Infineon Technologies Americas Corp. | 666 |
7 |
| International Business Machines Corporation | 61344 |
6 |
| Intel Corporation | 47051 |
6 |
| Mitsubishi Electric Corporation | 46249 |
6 |
| OpenLight Photonics, Inc | 190 |
6 |
| Fujitsu Limited | 18404 |
5 |
| IQE plc. | 115 |
5 |
| Sumitomo Electric Industries, Ltd. | 15535 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 11448 |
4 |
| Nissan Motor Co., Ltd. | 12520 |
4 |
| United Microelectronics Corp. | 4242 |
4 |
| MACOM Technology Solutions Holdings, Inc. | 818 |
4 |
| OSRAM OLED GmbH | 1776 |
4 |
| Seoul Viosys Co., Ltd. | 1473 |
4 |
| Transphorm Technology, Inc. | 137 |
4 |
| Other owners | 210 |