- 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: 2479
10-year publication summary
175
|
190
|
221
|
226
|
267
|
288
|
253
|
235
|
165
|
52
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
50 |
Sony Corporation | 32931 |
36 |
Regents of the University of Minnesota | 2620 |
30 |
3m Innovative Properties Company | 18406 |
28 |
Isuzu Motors Limited | 2158 |
28 |
Denso Corporation | 23338 |
24 |
Murata Manufacturing Co., Ltd. | 22355 |
24 |
B-Horizon GmbH | 44 |
23 |
International Business Machines Corporation | 60644 |
20 |
Honeywell International Inc. | 13799 |
17 |
Kyocera Corporation | 12735 |
17 |
KYB Corporation | 1278 |
16 |
Tech4Imaging LLC | 28 |
16 |
Toshiba Corporation | 12017 |
14 |
Texas Instruments Incorporated | 19376 |
14 |
Boston Scientific Scimed, Inc. | 8794 |
14 |
Applied Materials, Inc. | 16587 |
13 |
Saudi Arabian Oil Company | 11322 |
13 |
Deere & Company | 6845 |
12 |
King Abdullah University of Science and Technology | 1703 |
12 |
Other owners | 2058 |