- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/309 - Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation of printed or hybrid circuits
Patent holdings for IPC class G01R 31/309
Total number of patents in this class: 54
10-year publication summary
|
6
|
6
|
2
|
1
|
7
|
3
|
1
|
5
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 62111 |
5 |
| Battelle Memorial Institute | 2545 |
5 |
| Koh Young Technology Inc. | 350 |
4 |
| Xcalipr Corporation | 4 |
3 |
| Applied Materials, Inc. | 19887 |
2 |
| Shenzhen KANA Technology Co., Ltd. | 2 |
2 |
| Siemens AG | 24299 |
1 |
| Toshiba Corporation | 12708 |
1 |
| Ericsson | 22230 |
1 |
| Micron Technology, Inc. | 27243 |
1 |
| Hitachi, Ltd. | 15869 |
1 |
| Siemens Medical Solutions USA, Inc. | 1484 |
1 |
| Juniper Networks, Inc. | 3784 |
1 |
| AGC Glass Europe | 1159 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10976 |
1 |
| Boe Technology Group Co., Ltd. | 42723 |
1 |
| Avery Dennison Retail Information Services LLC | 1195 |
1 |
| CheckPoint Technologies, LLC | 7 |
1 |
| CKD Corporation | 457 |
1 |
| The Curators of the University of Missouri | 1074 |
1 |
| Other owners | 19 |