- 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: 689
10-year publication summary
|
39
|
74
|
67
|
54
|
75
|
76
|
72
|
58
|
25
|
6
|
| 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. | 47734 |
100 |
| Monolithic 3D Inc. | 331 |
84 |
| International Business Machines Corporation | 62325 |
38 |
| Micron Technology, Inc. | 27384 |
31 |
| Texas Instruments Incorporated | 19636 |
28 |
| GLOBALFOUNDRIES U.S. Inc. | 6397 |
21 |
| Renesas Electronics Corporation | 5862 |
20 |
| Samsung Electronics Co., Ltd. | 155224 |
19 |
| Infineon Technologies AG | 8382 |
16 |
| Qualcomm Incorporated | 90870 |
10 |
| Semiconductor Components Industries, L.L.C. | 5280 |
10 |
| Vanguard International Semiconductor Corporation | 503 |
10 |
| SK Hynix Inc. | 12267 |
8 |
| QROMIS, Inc. | 97 |
8 |
| Kioxia Corporation | 10727 |
8 |
| STMicroelectronics (Rousset) SAS | 961 |
7 |
| Infineon Technologies Austria AG | 2306 |
6 |
| Tokyo Electron Limited | 13617 |
6 |
| Murata Manufacturing Co., Ltd. | 25590 |
6 |
| STMicroelectronics S.r.l. | 3395 |
6 |
| Other owners | 247 |