- 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: 172
10-year publication summary
|
13
|
21
|
21
|
18
|
11
|
14
|
12
|
7
|
6
|
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. | 131 |
6 |
| International Business Machines Corporation | 60232 |
5 |
| Renesas Electronics Corporation | 6152 |
5 |
| GLOBALFOUNDRIES U.S. Inc. | 6433 |
5 |
| Texas Instruments Incorporated | 19444 |
4 |
| Cisco Technology, Inc. | 19425 |
4 |
| Mitsubishi Electric Corporation | 45020 |
4 |
| Semiconductor Components Industries, L.L.C. | 5243 |
4 |
| HRL Laboratories, LLC | 1588 |
4 |
| University of South Carolina | 808 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40787 |
3 |
| Massachusetts Institute of Technology | 9929 |
3 |
| OSI Optoelectronics, Inc. | 29 |
3 |
| Politecnico di Milano | 831 |
3 |
| Qorvo US, Inc. | 2140 |
3 |
| Quantum Semiconductor LLC | 22 |
3 |
| Vishay Semiconductor GmbH | 47 |
3 |
| Leonardo UK Ltd | 113 |
3 |
| Raytheon Company | 8425 |
2 |
| Other owners | 95 |