- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
Patent holdings for IPC class G01N 27/22
Total number of patents in this class: 2665
10-year publication summary
|
190
|
221
|
226
|
264
|
293
|
255
|
241
|
171
|
196
|
99
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42677 |
49 |
| Sony Corporation | 31028 |
36 |
| Regents of the University of Minnesota | 2696 |
32 |
| 3m Innovative Properties Company | 17819 |
30 |
| Isuzu Motors Limited | 2254 |
28 |
| Murata Manufacturing Co., Ltd. | 24575 |
27 |
| International Business Machines Corporation | 61287 |
24 |
| B-Horizon GmbH | 44 |
23 |
| Denso Corporation | 24334 |
21 |
| Texas Instruments Incorporated | 19448 |
20 |
| Toshiba Corporation | 12350 |
19 |
| Kyocera Corporation | 13846 |
19 |
| KYB Corporation | 1359 |
16 |
| Tech4Imaging LLC | 30 |
16 |
| Deere & Company | 7619 |
14 |
| Applied Materials, Inc. | 18706 |
14 |
| Boe Technology Group Co., Ltd. | 41267 |
14 |
| Saudi Arabian Oil Company | 13206 |
14 |
| Honeywell International Inc. | 13567 |
13 |
| Boston Scientific Scimed, Inc. | 10288 |
13 |
| Other owners | 2223 |