- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/302 - Contactless testing
Patent holdings for IPC class G01R 31/302
Total number of patents in this class: 324
10-year publication summary
|
22
|
24
|
29
|
21
|
26
|
18
|
13
|
18
|
13
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4669 |
36 |
| Advantest Corporation | 1692 |
13 |
| ROHDE & Schwarz GmbH & Co. KG | 1996 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
12 |
| Texas Instruments Incorporated | 19663 |
11 |
| STMicroelectronics S.r.l. | 3378 |
11 |
| Fluke Corporation | 1000 |
11 |
| Renesas Electronics Corporation | 5879 |
6 |
| NEC Corporation | 36934 |
5 |
| Intel Corporation | 47102 |
5 |
| PDF Solutions, Inc. | 121 |
5 |
| Hitachi High-Tech Corporation | 5819 |
5 |
| Samsung Electronics Co., Ltd. | 157557 |
4 |
| Hitachi High-Technologies Corporation | 1987 |
4 |
| Infineon Technologies AG | 8400 |
4 |
| National Instruments Corporation | 735 |
4 |
| Keysight Technologies, Inc. | 1260 |
4 |
| LitePoint Corporation | 204 |
4 |
| Tektronix, Inc. | 660 |
4 |
| Apple Inc. | 58705 |
3 |
| Other owners | 160 |