- 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: 2819
10-year publication summary
|
221
|
225
|
267
|
294
|
255
|
243
|
177
|
208
|
162
|
124
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44398 |
48 |
| Sony Corporation | 29887 |
36 |
| Regents of the University of Minnesota | 2820 |
36 |
| 3m Innovative Properties Company | 17443 |
31 |
| International Business Machines Corporation | 62864 |
28 |
| Murata Manufacturing Co., Ltd. | 25998 |
28 |
| Isuzu Motors Limited | 2338 |
28 |
| Texas Instruments Incorporated | 19638 |
23 |
| B-Horizon GmbH | 44 |
23 |
| Kyocera Corporation | 14502 |
21 |
| Toshiba Corporation | 12727 |
20 |
| Denso Corporation | 25820 |
20 |
| Applied Materials, Inc. | 20625 |
16 |
| KYB Corporation | 1441 |
16 |
| Tech4Imaging LLC | 31 |
16 |
| Honeywell International Inc. | 12767 |
15 |
| Deere & Company | 8229 |
15 |
| Saudi Arabian Oil Company | 14398 |
15 |
| The Regents of the University of California | 20960 |
14 |
| Infineon Technologies AG | 8427 |
13 |
| Other owners | 2357 |