- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
Patent holdings for IPC class G01N 27/04
Total number of patents in this class: 2059
10-year publication summary
|
198
|
212
|
193
|
200
|
155
|
165
|
133
|
146
|
165
|
93
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25799 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
35 |
| International Business Machines Corporation | 62847 |
23 |
| Robert Bosch GmbH | 44363 |
21 |
| Samsung Electronics Co., Ltd. | 159298 |
18 |
| Mitsubishi Electric Corporation | 48409 |
16 |
| Kyocera Corporation | 14479 |
15 |
| Massachusetts Institute of Technology | 10313 |
15 |
| Halliburton Energy Services, Inc. | 21299 |
13 |
| The Boeing Company | 20212 |
13 |
| Giatec Scientific Inc. | 46 |
13 |
| LG Energy Solution, Ltd. | 19637 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
12 |
| 3m Innovative Properties Company | 17450 |
11 |
| Toshiba Corporation | 12732 |
11 |
| Hitachi, Ltd. | 16221 |
11 |
| Apple Inc. | 59354 |
10 |
| LG Chem, Ltd. | 17978 |
10 |
| The Regents of the University of California | 20924 |
10 |
| SANYO Chemical Industries, Ltd. | 529 |
10 |
| Other owners | 1722 |