- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
Patent holdings for IPC class G01N 27/72
Total number of patents in this class: 974
10-year publication summary
|
88
|
64
|
90
|
69
|
73
|
67
|
52
|
48
|
34
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 13133 |
19 |
| Halliburton Energy Services, Inc. | 20165 |
16 |
| International Business Machines Corporation | 60644 |
15 |
| TDK Corporation | 6306 |
14 |
| Sintokogio, Ltd. | 1148 |
13 |
| The Regents of the University of California | 18943 |
12 |
| General Electric Company | 18133 |
11 |
| JFE Steel Corporation | 6067 |
11 |
| Glory Ltd. | 1155 |
10 |
| JENTEK Sensors, Inc. | 59 |
10 |
| Mettler-Toledo Safeline Ltd. | 55 |
10 |
| Hamamatsu Photonics K.K. | 4161 |
9 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Allegro Microsystems, LLC | 1206 |
8 |
| National University Corporation Kobe University | 460 |
8 |
| Integral Geometry Science Inc. | 34 |
8 |
| Sony Corporation | 32931 |
7 |
| Koninklijke Philips N.V. | 22975 |
7 |
| IHI Corporation | 3268 |
7 |
| Ishida Co., Ltd. | 509 |
7 |
| Other owners | 764 |