- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 10324
10-year publication summary
|
772
|
717
|
748
|
860
|
859
|
804
|
796
|
737
|
798
|
237
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
554 |
| Advantest Corporation | 1939 |
554 |
| Samsung Electronics Co., Ltd. | 131630 |
276 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
230 |
| International Business Machines Corporation | 60644 |
207 |
| Tokyo Electron Limited | 11599 |
185 |
| Teradyne, Inc. | 579 |
162 |
| Intel Corporation | 45621 |
146 |
| Infineon Technologies AG | 8189 |
135 |
| Siemens Industry Software Inc. | 1633 |
119 |
| Xilinx, Inc. | 4086 |
117 |
| SK Hynix Inc. | 11030 |
83 |
| Changxin Memory Technologies, Inc. | 4732 |
80 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
79 |
| Micron Technology, Inc. | 24960 |
74 |
| Qualcomm Incorporated | 76576 |
70 |
| Marvell Asia PTE, Ltd. | 6841 |
70 |
| Renesas Electronics Corporation | 6305 |
69 |
| FormFactor, Inc. | 296 |
65 |
| Cavium International | 5549 |
63 |
| Other owners | 6986 |