- 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 absorption of a fluidInvestigating 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: 2563
10-year publication summary
150
|
227
|
256
|
261
|
299
|
218
|
211
|
147
|
181
|
106
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42705 |
66 |
Panasonic Intellectual Property Management Co., Ltd. | 31562 |
53 |
Massachusetts Institute of Technology | 10062 |
33 |
Infineon Technologies AG | 8224 |
30 |
Google LLC | 42333 |
30 |
Kyocera Corporation | 13857 |
25 |
KOA Corporation | 419 |
25 |
Sensirion AG | 206 |
25 |
Sciosense B.V. | 122 |
25 |
Honeywell International Inc. | 13540 |
23 |
Nuvoton Technology Corporation Japan | 615 |
19 |
TDK Corporation | 6761 |
18 |
Figaro Engineering Inc. | 42 |
18 |
NGK Spark Plug Co., Ltd. | 891 |
17 |
Samsung Electronics Co., Ltd. | 146811 |
16 |
Carrier Corporation | 4296 |
15 |
Niterra Co., Ltd. | 1278 |
15 |
LG Electronics Inc. | 73344 |
14 |
NEC Corporation | 35778 |
14 |
Sumitomo Chemical Company, Limited | 9043 |
14 |
Other owners | 2068 |