- 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: 2464
10-year publication summary
|
147
|
159
|
144
|
174
|
143
|
123
|
114
|
72
|
81
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15712 |
29 |
| The Regents of the University of California | 20303 |
28 |
| Osaka University | 3377 |
27 |
| Robert Bosch GmbH | 43096 |
21 |
| Hitachi High-Technologies Corporation | 1996 |
20 |
| Massachusetts Institute of Technology | 10150 |
19 |
| International Business Machines Corporation | 61747 |
17 |
| Hewlett-Packard Development Company, L.P. | 25577 |
16 |
| The University of Tokyo | 4250 |
15 |
| Siemens AG | 24333 |
14 |
| National University Corporation Toyohashi University of Technology | 199 |
14 |
| Hitachi High-Tech Corporation | 5482 |
14 |
| Seiko Epson Corporation | 19704 |
13 |
| Denso Corporation | 24797 |
13 |
| Nippon Telegraph and Telephone Corporation | 16319 |
12 |
| Saudi Arabian Oil Company | 13686 |
12 |
| Samsung Electronics Co., Ltd. | 149198 |
11 |
| Hitachi Automotive Systems, Ltd. | 3955 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
11 |
| Board of Regents, The University of Texas System | 5946 |
11 |
| Other owners | 2136 |