- All sections
- H - Electricity
- H04Q - Selecting
- H04Q 1/20 - Testing circuits or apparatusCircuits or apparatus for detecting, indicating, or signalling faults or troubles
Patent holdings for IPC class H04Q 1/20
Total number of patents in this class: 196
10-year publication summary
|
11
|
8
|
6
|
7
|
5
|
6
|
4
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158842 |
8 |
| National Instruments Corporation | 730 |
8 |
| Texas Instruments Incorporated | 19639 |
7 |
| Huawei Technologies Co., Ltd. | 124630 |
7 |
| Viavi Solutions Inc. | 1529 |
7 |
| Marvell Asia PTE, Ltd. | 6253 |
6 |
| Cavium International | 4568 |
6 |
| Avago Technologies International Sales Pte. Limited | 8534 |
6 |
| ZTE Corporation | 44326 |
5 |
| Futurewei Technologies, Inc. | 3787 |
5 |
| Keysight Technologies, Inc. | 1271 |
5 |
| ROHDE & Schwarz GmbH & Co. KG | 1996 |
5 |
| Apple Inc. | 59177 |
4 |
| NEC Corporation | 37312 |
4 |
| Realtek Semiconductor Corp. | 3521 |
4 |
| Anritsu Corporation | 435 |
4 |
| Ericsson | 22995 |
3 |
| Hubbell Incorporated | 3459 |
3 |
| CommScope Technologies LLC | 3249 |
3 |
| Molex, LLC | 2078 |
3 |
| Other owners | 93 |