- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/304 - Contactless testing of printed or hybrid circuits
Patent holdings for IPC class G01R 31/304
Total number of patents in this class: 33
10-year publication summary
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3
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4
|
3
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0
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0
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3
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3
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koh Young Technology Inc. | 348 |
2 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 685 |
2 |
| International Business Machines Corporation | 61471 |
1 |
| Pratt & Whitney Canada Corp. | 4818 |
1 |
| Hewlett-Packard Development Company, L.P. | 25793 |
1 |
| Cisco Technology, Inc. | 21998 |
1 |
| Corning Incorporated | 10314 |
1 |
| Synopsys, Inc. | 2773 |
1 |
| Silicon Laboratories Inc. | 1136 |
1 |
| JPMorgan Chase Bank, National Association | 8579 |
1 |
| Mayo Foundation for Medical Education and Research | 3245 |
1 |
| Hewlett Packard Enterprise Development LP | 10744 |
1 |
| Boe Technology Group Co., Ltd. | 41547 |
1 |
| Avery Dennison Retail Information Services LLC | 1163 |
1 |
| Chipworks, Inc. | 5 |
1 |
| DCG Systems, Inc. | 55 |
1 |
| FormFactor, Inc. | 288 |
1 |
| Hefei BOE Optoelectronics Technology Co., Ltd. | 1369 |
1 |
| IMEC VZW | 1658 |
1 |
| Nidec-Read Corporation | 165 |
1 |
| Other owners | 11 |