- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 29/22 - Measuring piezoelectric properties
Patent holdings for IPC class G01R 29/22
Total number of patents in this class: 64
10-year publication summary
|
2
|
8
|
5
|
4
|
2
|
11
|
1
|
4
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5236 |
4 |
| Doble Engineering Company | 52 |
3 |
| Honeywell International Inc. | 12778 |
2 |
| Becton, Dickinson and Company | 7563 |
2 |
| Brother Industries, Ltd. | 12831 |
2 |
| Mitsubishi Electric Corporation | 48018 |
2 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 2023 |
2 |
| Cosmax, Inc. | 310 |
2 |
| Florida State University Research Foundation, Inc. | 839 |
2 |
| Herrmann Ultraschalltechnik GmbH & Co. KG | 177 |
2 |
| Osaka University | 3267 |
2 |
| Mitsubishi Electric R&D Centre Europe B.V. | 374 |
2 |
| Qualcomm Incorporated | 92196 |
1 |
| Illinois Tool Works Inc. | 11863 |
1 |
| Honda Motor Co., Ltd. | 26025 |
1 |
| Murata Manufacturing Co., Ltd. | 25744 |
1 |
| Epcos AG | 641 |
1 |
| California Institute of Technology | 4040 |
1 |
| Pioneer Corporation | 3779 |
1 |
| Tohoku Pioneer Corporation | 467 |
1 |
| Other owners | 29 |