- 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: 10769
10-year publication summary
|
716
|
744
|
855
|
855
|
804
|
798
|
752
|
835
|
727
|
538
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advantest Corporation | 1805 |
540 |
| Texas Instruments Incorporated | 19450 |
490 |
| Samsung Electronics Co., Ltd. | 147131 |
306 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
271 |
| Tokyo Electron Limited | 12825 |
197 |
| International Business Machines Corporation | 61353 |
193 |
| Intel Corporation | 47062 |
170 |
| Teradyne, Inc. | 540 |
160 |
| Infineon Technologies AG | 8244 |
136 |
| Siemens Industry Software Inc. | 1657 |
105 |
| Xilinx, Inc. | 3987 |
103 |
| ROHDE & Schwarz GmbH & Co. KG | 1946 |
103 |
| SK Hynix Inc. | 11428 |
84 |
| Micron Technology, Inc. | 26138 |
80 |
| Changxin Memory Technologies, Inc. | 4927 |
79 |
| Qualcomm Incorporated | 86023 |
78 |
| Mitsubishi Electric Corporation | 46295 |
71 |
| Renesas Electronics Corporation | 5990 |
70 |
| FormFactor, Inc. | 287 |
67 |
| Robert Bosch GmbH | 42742 |
64 |
| Other owners | 7402 |