- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 17/72 - Bipolar semiconductor devices with more than two PN junctions, e.g. thyristors, programmable unijunction transistors, or with more than three electrodes, e.g. silicon controlled switches, or with more than one electrode connected to the same conductivity region, e.g. unijunction transistors
Patent holdings for IPC class H03K 17/72
Total number of patents in this class: 85
10-year publication summary
5
|
13
|
3
|
4
|
4
|
3
|
6
|
8
|
6
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ABB Schweiz AG | 7085 |
9 |
NR Electric Co., Ltd. | 328 |
4 |
NR Engineering Co., Ltd | 290 |
4 |
NR Electric Power Electronics Co., Ltd. | 58 |
4 |
Sony Corporation | 30901 |
2 |
Infineon Technologies AG | 8265 |
2 |
ams AG | 767 |
2 |
Andritz Hydro Canada Inc. | 15 |
2 |
National Research Council of Canada | 1556 |
2 |
Voyomotive, LLC | 11 |
2 |
Siemens AG | 24346 |
1 |
LG Chem, Ltd. | 17680 |
1 |
Eaton Corporation | 1816 |
1 |
Robert Bosch GmbH | 42861 |
1 |
Koninklijke Philips Electronics N.V. | 9149 |
1 |
Dell Products L.P. | 14875 |
1 |
STMicroelectronics S.r.l. | 3598 |
1 |
STMicroelectronics (Tours) SAS | 208 |
1 |
Macronix International Co., Ltd. | 2547 |
1 |
Whirlpool Corporation | 4440 |
1 |
Other owners | 42 |