- 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: 674
10-year publication summary
|
55
|
52
|
64
|
58
|
53
|
53
|
41
|
44
|
32
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
35 |
| Sumitomo Electric Industries, Ltd. | 14131 |
28 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
17 |
| HRL Laboratories, LLC | 1588 |
12 |
| Sensor Electronic Technology, Inc. | 471 |
11 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
10 |
| GLOBALFOUNDRIES U.S. Inc. | 6459 |
9 |
| Intel Corporation | 45621 |
8 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Socionext Inc. | 1575 |
8 |
| Phion Technologies Corp. | 11 |
8 |
| Fujitsu Limited | 19265 |
7 |
| Panasonic Corporation | 20786 |
6 |
| California Institute of Technology | 3884 |
6 |
| OSRAM Opto Semiconductors GmbH | 3390 |
6 |
| Infineon Technologies Americas Corp. | 768 |
6 |
| Seoul Viosys Co., Ltd. | 1359 |
6 |
| SLT Technologies, Inc. | 115 |
6 |
| Micron Technology, Inc. | 24960 |
5 |
| Other owners | 444 |