- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/74 - Thyristor-type devices, e.g. having four-zone regenerative action
Patent holdings for IPC class H01L 29/74
Total number of patents in this class: 821
10-year publication summary
|
92
|
72
|
44
|
45
|
46
|
31
|
36
|
18
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infineon Technologies AG | 8402 |
40 |
| GLOBALFOUNDRIES U.S. Inc. | 6385 |
30 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48438 |
26 |
| Samsung Electronics Co., Ltd. | 157946 |
22 |
| Texas Instruments Incorporated | 19653 |
22 |
| Semiconductor Components Industries, L.L.C. | 5263 |
21 |
| Kepler Computing Inc. | 328 |
21 |
| Alpha and Omega Semiconductor Incorporated | 444 |
19 |
| Mitsubishi Electric Corporation | 48048 |
18 |
| TC Lab, Inc. | 31 |
18 |
| Micron Technology, Inc. | 27675 |
17 |
| Hitachi Energy Ltd. | 2586 |
16 |
| Littelfuse, Inc. | 793 |
15 |
| Macronix International Co., Ltd. | 2495 |
14 |
| Fuji Electric Co., Ltd. | 5488 |
13 |
| Renesas Electronics Corporation | 5864 |
12 |
| Infineon Technologies Austria AG | 2338 |
12 |
| STMicroelectronics International N.V. | 4165 |
12 |
| General Electric Company | 13910 |
11 |
| NXP USA, Inc. | 4399 |
11 |
| Other owners | 451 |