- 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: 2687
10-year publication summary
|
184
|
209
|
220
|
254
|
283
|
246
|
234
|
164
|
193
|
117
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42824 |
49 |
| Sony Corporation | 30929 |
36 |
| 3m Innovative Properties Company | 17781 |
30 |
| Regents of the University of Minnesota | 2701 |
30 |
| Isuzu Motors Limited | 2266 |
28 |
| Murata Manufacturing Co., Ltd. | 24741 |
27 |
| International Business Machines Corporation | 61471 |
24 |
| B-Horizon GmbH | 44 |
23 |
| Texas Instruments Incorporated | 19445 |
22 |
| Denso Corporation | 24480 |
21 |
| Toshiba Corporation | 12502 |
19 |
| Kyocera Corporation | 13930 |
19 |
| KYB Corporation | 1372 |
16 |
| Tech4Imaging LLC | 30 |
16 |
| Deere & Company | 7660 |
14 |
| Applied Materials, Inc. | 18892 |
14 |
| Boe Technology Group Co., Ltd. | 41547 |
14 |
| Saudi Arabian Oil Company | 13372 |
14 |
| Honeywell International Inc. | 13560 |
13 |
| Infineon Technologies AG | 8255 |
13 |
| Other owners | 2245 |