- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 21/8222 - Bipolar technology
Patent holdings for IPC class H01L 21/8222
Total number of patents in this class: 352
10-year publication summary
|
28
|
27
|
18
|
15
|
13
|
17
|
16
|
16
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40787 |
23 |
| Texas Instruments Incorporated | 19444 |
21 |
| GLOBALFOUNDRIES U.S. Inc. | 6433 |
21 |
| Micron Technology, Inc. | 25887 |
18 |
| Murata Manufacturing Co., Ltd. | 23827 |
16 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2309 |
10 |
| Sumitomo Chemical Company, Limited | 9008 |
9 |
| Semiconductor Components Industries, L.L.C. | 5243 |
9 |
| NXP USA, Inc. | 4214 |
9 |
| Denso Corporation | 23851 |
8 |
| STMicroelectronics (Crolles 2) SAS | 644 |
8 |
| National Semiconductor Corporation | 1179 |
7 |
| Fuji Electric Co., Ltd. | 4997 |
7 |
| Skyworks Solutions, Inc. | 3611 |
7 |
| Renesas Electronics Corporation | 6152 |
6 |
| Panasonic Corporation | 20299 |
5 |
| Rohm Co., Ltd. | 6385 |
5 |
| Analog Devices, Inc. | 3415 |
5 |
| Alpha and Omega Semiconductor Incorporated | 464 |
5 |
| Samsung Electronics Co., Ltd. | 139798 |
4 |
| Other owners | 149 |