- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/11 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by two potential barriers or surface barriers, e.g. bipolar phototransistor
Patent holdings for IPC class H01L 31/11
Total number of patents in this class: 167
10-year publication summary
|
13
|
21
|
21
|
18
|
11
|
14
|
12
|
7
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wavefront Holdings, LLC | 11 |
6 |
| Artilux Inc. | 138 |
6 |
| International Business Machines Corporation | 61185 |
5 |
| GLOBALFOUNDRIES U.S. Inc. | 6429 |
5 |
| Texas Instruments Incorporated | 19494 |
4 |
| Renesas Electronics Corporation | 6046 |
4 |
| Cisco Technology, Inc. | 19845 |
4 |
| Mitsubishi Electric Corporation | 45946 |
4 |
| Semiconductor Components Industries, L.L.C. | 5252 |
4 |
| HRL Laboratories, LLC | 1601 |
4 |
| University of South Carolina | 820 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
3 |
| Massachusetts Institute of Technology | 10030 |
3 |
| OSI Optoelectronics, Inc. | 30 |
3 |
| Politecnico di Milano | 846 |
3 |
| Qorvo US, Inc. | 2203 |
3 |
| Quantum Semiconductor LLC | 23 |
3 |
| Vishay Semiconductor GmbH | 48 |
3 |
| Leonardo UK Ltd | 120 |
3 |
| Raytheon Company | 8397 |
2 |
| Other owners | 91 |