- 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: 2438
10-year publication summary
|
159
|
144
|
174
|
143
|
123
|
114
|
72
|
82
|
75
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20366 |
29 |
| Hitachi, Ltd. | 15803 |
29 |
| Osaka University | 3362 |
27 |
| Robert Bosch GmbH | 43268 |
21 |
| Hitachi High-Technologies Corporation | 1994 |
20 |
| International Business Machines Corporation | 61906 |
17 |
| Massachusetts Institute of Technology | 10178 |
17 |
| Hewlett-Packard Development Company, L.P. | 25459 |
16 |
| The University of Tokyo | 4288 |
15 |
| National University Corporation Toyohashi University of Technology | 199 |
14 |
| Hitachi High-Tech Corporation | 5573 |
14 |
| Seiko Epson Corporation | 19806 |
13 |
| Denso Corporation | 24991 |
13 |
| Siemens AG | 24286 |
12 |
| Nippon Telegraph and Telephone Corporation | 16266 |
12 |
| Saudi Arabian Oil Company | 13839 |
12 |
| Hitachi Automotive Systems, Ltd. | 3954 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 32968 |
11 |
| Board of Regents, The University of Texas System | 6004 |
11 |
| Aipore Inc. | 34 |
11 |
| Other owners | 2113 |