- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/74 - Making of buried regions of high impurity concentration, e.g. buried collector layers, internal connections
Patent holdings for IPC class H01L 21/74
Total number of patents in this class: 685
10-year publication summary
|
39
|
74
|
67
|
54
|
75
|
75
|
71
|
56
|
24
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
97 |
| Monolithic 3D Inc. | 342 |
84 |
| International Business Machines Corporation | 62805 |
37 |
| Micron Technology, Inc. | 27793 |
31 |
| Texas Instruments Incorporated | 19644 |
28 |
| Renesas Electronics Corporation | 5855 |
20 |
| GLOBALFOUNDRIES U.S. Inc. | 6390 |
20 |
| Samsung Electronics Co., Ltd. | 159029 |
19 |
| Infineon Technologies AG | 8419 |
16 |
| Qualcomm Incorporated | 93376 |
10 |
| Semiconductor Components Industries, L.L.C. | 5265 |
10 |
| Vanguard International Semiconductor Corporation | 527 |
10 |
| SK Hynix Inc. | 12667 |
8 |
| QROMIS, Inc. | 96 |
8 |
| Kioxia Corporation | 11017 |
8 |
| STMicroelectronics (Rousset) SAS | 964 |
7 |
| Infineon Technologies Austria AG | 2359 |
6 |
| Tokyo Electron Limited | 13948 |
6 |
| Murata Manufacturing Co., Ltd. | 25917 |
6 |
| STMicroelectronics S.r.l. | 3367 |
6 |
| Other owners | 248 |