- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 31/317 - Testing of digital circuits
Patent holdings for IPC class G01R 31/317
Total number of patents in this class: 2572
10-year publication summary
|
189
|
263
|
285
|
271
|
291
|
284
|
254
|
244
|
237
|
76
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
287 |
| International Business Machines Corporation | 60644 |
93 |
| Samsung Electronics Co., Ltd. | 131630 |
91 |
| Intel Corporation | 45621 |
86 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
77 |
| Advantest Corporation | 1939 |
65 |
| Qualcomm Incorporated | 76576 |
55 |
| SK Hynix Inc. | 11030 |
50 |
| Xilinx, Inc. | 4086 |
46 |
| NXP USA, Inc. | 4155 |
46 |
| Siemens Industry Software Inc. | 1633 |
43 |
| ROHDE & Schwarz GmbH & Co. KG | 1831 |
38 |
| Tektronix, Inc. | 636 |
34 |
| Micron Technology, Inc. | 24960 |
32 |
| Cadence Design Systems, Inc. | 1788 |
30 |
| Realtek Semiconductor Corp. | 3028 |
30 |
| NVIDIA Corporation | 6381 |
28 |
| ARM Limited | 4353 |
27 |
| Apple Inc. | 50209 |
23 |
| Changxin Memory Technologies, Inc. | 4732 |
23 |
| Other owners | 1368 |