- 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: 350
10-year publication summary
28
|
27
|
18
|
15
|
13
|
17
|
16
|
16
|
8
|
6
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Texas Instruments Incorporated | 19460 |
22 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
22 |
GLOBALFOUNDRIES U.S. Inc. | 6432 |
21 |
Micron Technology, Inc. | 26238 |
18 |
Murata Manufacturing Co., Ltd. | 24542 |
16 |
Shenzhen Xinguodu Technology Co., Ltd. | 2230 |
10 |
Sumitomo Chemical Company, Limited | 9047 |
9 |
Semiconductor Components Industries, L.L.C. | 5249 |
9 |
NXP USA, Inc. | 4297 |
9 |
Denso Corporation | 24316 |
8 |
STMicroelectronics (Crolles 2) SAS | 648 |
8 |
Fuji Electric Co., Ltd. | 5148 |
7 |
Skyworks Solutions, Inc. | 3727 |
7 |
Renesas Electronics Corporation | 6009 |
6 |
National Semiconductor Corporation | 1073 |
6 |
Panasonic Corporation | 20099 |
5 |
Analog Devices, Inc. | 3380 |
5 |
Alpha and Omega Semiconductor Incorporated | 454 |
5 |
Samsung Electronics Co., Ltd. | 146346 |
4 |
International Business Machines Corporation | 61257 |
4 |
Other owners | 149 |