- 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: 10731
10-year publication summary
|
717
|
748
|
860
|
860
|
805
|
803
|
756
|
838
|
726
|
440
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advantest Corporation | 1826 |
548 |
| Texas Instruments Incorporated | 19479 |
498 |
| Samsung Electronics Co., Ltd. | 145630 |
303 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
270 |
| Tokyo Electron Limited | 12681 |
198 |
| International Business Machines Corporation | 61198 |
192 |
| Intel Corporation | 46960 |
168 |
| Teradyne, Inc. | 541 |
160 |
| Infineon Technologies AG | 8218 |
135 |
| Xilinx, Inc. | 4006 |
106 |
| Siemens Industry Software Inc. | 1646 |
102 |
| ROHDE & Schwarz GmbH & Co. KG | 1925 |
97 |
| SK Hynix Inc. | 11307 |
85 |
| Micron Technology, Inc. | 26258 |
80 |
| Changxin Memory Technologies, Inc. | 4927 |
79 |
| Qualcomm Incorporated | 85094 |
77 |
| Renesas Electronics Corporation | 6020 |
70 |
| Mitsubishi Electric Corporation | 45998 |
69 |
| FormFactor, Inc. | 285 |
66 |
| Robert Bosch GmbH | 42647 |
63 |
| Other owners | 7365 |