- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
Patent holdings for IPC class G01N 27/12
Total number of patents in this class: 2379
10-year publication summary
|
144
|
152
|
232
|
266
|
263
|
305
|
221
|
213
|
142
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
65 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
35 |
| Massachusetts Institute of Technology | 9795 |
33 |
| Google LLC | 38759 |
30 |
| Infineon Technologies AG | 8189 |
27 |
| Sensirion AG | 193 |
26 |
| Honeywell International Inc. | 13799 |
25 |
| Sciosense B.V. | 124 |
24 |
| Kyocera Corporation | 12735 |
23 |
| KOA Corporation | 381 |
21 |
| Figaro Engineering Inc. | 45 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| NGK Spark Plug Co., Ltd. | 935 |
17 |
| LG Electronics Inc. | 69257 |
14 |
| NEC Corporation | 32703 |
14 |
| Fujitsu Limited | 19265 |
14 |
| Denso Corporation | 23338 |
14 |
| Sumitomo Chemical Company, Limited | 8808 |
14 |
| Carrier Corporation | 4759 |
14 |
| Korea Advanced Institute of Science and Technology | 3906 |
14 |
| Other owners | 1920 |