- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/109 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier being of the PN heterojunction type
Patent holdings for IPC class H01L 31/109
Total number of patents in this class: 649
10-year publication summary
|
52
|
64
|
58
|
53
|
53
|
41
|
45
|
33
|
20
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 139001 |
34 |
| Sumitomo Electric Industries, Ltd. | 14972 |
28 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40608 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
17 |
| HRL Laboratories, LLC | 1583 |
12 |
| Sensor Electronic Technology, Inc. | 473 |
11 |
| GLOBALFOUNDRIES U.S. Inc. | 6433 |
9 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1535 |
9 |
| Intel Corporation | 46126 |
8 |
| Phion Technologies Corp. | 10 |
8 |
| Mitsubishi Electric Corporation | 44851 |
7 |
| California Institute of Technology | 3936 |
6 |
| Infineon Technologies Americas Corp. | 725 |
6 |
| Newport Fab, LLC | 158 |
6 |
| Seoul Viosys Co., Ltd. | 1439 |
6 |
| SLT Technologies, Inc. | 128 |
6 |
| Fujitsu Limited | 18405 |
5 |
| Texas Instruments Incorporated | 19432 |
5 |
| Infineon Technologies AG | 8137 |
5 |
| Hamamatsu Photonics K.K. | 4304 |
5 |
| Other owners | 428 |