- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/00 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Patent holdings for IPC class G01N 27/00
Total number of patents in this class: 2485
10-year publication summary
|
162
|
179
|
177
|
160
|
199
|
168
|
135
|
124
|
66
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
29 |
| Hitachi, Ltd. | 16452 |
28 |
| Osaka University | 3143 |
23 |
| Robert Bosch GmbH | 40953 |
22 |
| International Business Machines Corporation | 60644 |
20 |
| Hitachi High-Technologies Corporation | 2034 |
20 |
| Massachusetts Institute of Technology | 9795 |
20 |
| Siemens AG | 24990 |
18 |
| Hewlett-Packard Development Company, L.P. | 28538 |
17 |
| Denso Corporation | 23338 |
14 |
| Honeywell International Inc. | 13799 |
13 |
| Seiko Epson Corporation | 18724 |
13 |
| National University Corporation Toyohashi University of Technology | 195 |
13 |
| Hitachi High-Tech Corporation | 4424 |
13 |
| Nippon Telegraph and Telephone Corporation | 14195 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Hitachi Automotive Systems, Ltd. | 3970 |
11 |
| The University of Tokyo | 3903 |
11 |
| Sharp Kabushiki Kaisha | 18957 |
11 |
| Board of Regents, The University of Texas System | 5370 |
10 |
| Other owners | 2156 |