- 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: 2558
10-year publication summary
152
|
232
|
266
|
265
|
306
|
222
|
215
|
149
|
183
|
101
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42674 |
66 |
Panasonic Intellectual Property Management Co., Ltd. | 31330 |
51 |
Massachusetts Institute of Technology | 10051 |
33 |
Infineon Technologies AG | 8219 |
30 |
Google LLC | 42135 |
30 |
Kyocera Corporation | 13800 |
25 |
KOA Corporation | 418 |
25 |
Sensirion AG | 207 |
25 |
Sciosense B.V. | 122 |
25 |
Honeywell International Inc. | 13539 |
23 |
TDK Corporation | 6720 |
18 |
Figaro Engineering Inc. | 42 |
18 |
Nuvoton Technology Corporation Japan | 601 |
18 |
NGK Spark Plug Co., Ltd. | 893 |
17 |
Samsung Electronics Co., Ltd. | 145864 |
16 |
Carrier Corporation | 4348 |
15 |
Niterra Co., Ltd. | 1271 |
15 |
LG Electronics Inc. | 72962 |
14 |
NEC Corporation | 35619 |
14 |
Sumitomo Chemical Company, Limited | 9047 |
14 |
Other owners | 2066 |