- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/111 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by at least three potential barriers, e.g. photothyristor
Patent holdings for IPC class H01L 31/111
Total number of patents in this class: 174
10-year publication summary
|
14
|
12
|
15
|
6
|
1
|
2
|
0
|
2
|
2
|
1
|
| 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. | 42704 |
11 |
| Alpha and Omega Semiconductor Incorporated | 454 |
9 |
| Renesas Electronics Corporation | 6016 |
8 |
| Infineon Technologies AG | 8221 |
7 |
| Mitsubishi Electric Corporation | 46093 |
7 |
| University of Connecticut | 845 |
6 |
| Samsung Electronics Co., Ltd. | 146092 |
5 |
| Denso Corporation | 24282 |
5 |
| Infineon Technologies Austria AG | 2145 |
5 |
| Semiconductor Components Industries, L.L.C. | 5251 |
5 |
| Opel Solar, Inc. | 37 |
5 |
| FUJIFILM Business Innovation Corp. | 7590 |
5 |
| General Electric Company | 13780 |
4 |
| Fuji Electric Co., Ltd. | 5140 |
4 |
| United Microelectronics Corp. | 4268 |
3 |
| Oracle America, Inc. | 3113 |
2 |
| Infineon Technologies Bipolar GmbH & Co. KG | 24 |
2 |
| Lapis Semiconductor Co., Ltd. | 886 |
2 |
| Macronix International Co., Ltd. | 2557 |
2 |
| Analog Devices, Inc. | 3376 |
2 |
| Other owners | 75 |