- 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: 353
10-year publication summary
|
28
|
27
|
18
|
15
|
13
|
17
|
16
|
16
|
9
|
4
|
| 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. | 41489 |
24 |
| Texas Instruments Incorporated | 19472 |
22 |
| GLOBALFOUNDRIES U.S. Inc. | 6439 |
21 |
| Micron Technology, Inc. | 26067 |
18 |
| Murata Manufacturing Co., Ltd. | 24117 |
16 |
| Shenzhen Xinguodu Technology Co., Ltd. | 2288 |
10 |
| Sumitomo Chemical Company, Limited | 8982 |
9 |
| Semiconductor Components Industries, L.L.C. | 5243 |
9 |
| NXP USA, Inc. | 4239 |
9 |
| Denso Corporation | 23996 |
8 |
| STMicroelectronics (Crolles 2) SAS | 646 |
8 |
| National Semiconductor Corporation | 1136 |
7 |
| Fuji Electric Co., Ltd. | 5054 |
7 |
| Skyworks Solutions, Inc. | 3643 |
7 |
| Renesas Electronics Corporation | 6122 |
6 |
| Panasonic Corporation | 20221 |
5 |
| Rohm Co., Ltd. | 6427 |
5 |
| Analog Devices, Inc. | 3400 |
5 |
| Alpha and Omega Semiconductor Incorporated | 462 |
5 |
| Samsung Electronics Co., Ltd. | 141952 |
4 |
| Other owners | 148 |