- 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: 11157
10-year publication summary
|
748
|
860
|
860
|
805
|
805
|
759
|
851
|
755
|
773
|
467
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advantest Corporation | 1692 |
509 |
| Texas Instruments Incorporated | 19663 |
439 |
| Samsung Electronics Co., Ltd. | 157557 |
316 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
307 |
| Tokyo Electron Limited | 13796 |
205 |
| International Business Machines Corporation | 62621 |
200 |
| Intel Corporation | 47102 |
176 |
| Teradyne, Inc. | 512 |
154 |
| Infineon Technologies AG | 8400 |
137 |
| ROHDE & Schwarz GmbH & Co. KG | 1996 |
115 |
| Xilinx, Inc. | 3948 |
95 |
| Siemens Industry Software Inc. | 1835 |
95 |
| SK Hynix Inc. | 12452 |
88 |
| Qualcomm Incorporated | 91997 |
80 |
| Micron Technology, Inc. | 27626 |
80 |
| Changxin Memory Technologies, Inc. | 4933 |
79 |
| Renesas Electronics Corporation | 5879 |
73 |
| Mitsubishi Electric Corporation | 47971 |
73 |
| FormFactor, Inc. | 283 |
72 |
| Robert Bosch GmbH | 44128 |
66 |
| Other owners | 7798 |