- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
Patent holdings for IPC class G01R 31/28
Total number of patents in this class: 10860
10-year publication summary
|
716
|
744
|
855
|
855
|
804
|
798
|
753
|
837
|
730
|
655
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advantest Corporation | 1771 |
530 |
| Texas Instruments Incorporated | 19478 |
489 |
| Samsung Electronics Co., Ltd. | 148402 |
305 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 44433 |
279 |
| Tokyo Electron Limited | 13031 |
199 |
| International Business Machines Corporation | 61636 |
195 |
| Intel Corporation | 46939 |
167 |
| Teradyne, Inc. | 531 |
156 |
| Infineon Technologies AG | 8267 |
137 |
| ROHDE & Schwarz GmbH & Co. KG | 1967 |
107 |
| Siemens Industry Software Inc. | 1660 |
103 |
| Xilinx, Inc. | 3961 |
102 |
| SK Hynix Inc. | 11575 |
85 |
| Micron Technology, Inc. | 26348 |
82 |
| Changxin Memory Technologies, Inc. | 4929 |
79 |
| Qualcomm Incorporated | 86899 |
78 |
| FormFactor, Inc. | 291 |
72 |
| Renesas Electronics Corporation | 5969 |
71 |
| Mitsubishi Electric Corporation | 46734 |
71 |
| Robert Bosch GmbH | 42922 |
64 |
| Other owners | 7489 |