- 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: 2476
10-year publication summary
|
179
|
177
|
160
|
201
|
169
|
136
|
126
|
69
|
76
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 19503 |
30 |
| Hitachi, Ltd. | 15220 |
29 |
| Osaka University | 3296 |
25 |
| Hitachi High-Technologies Corporation | 2018 |
20 |
| Robert Bosch GmbH | 41765 |
20 |
| Massachusetts Institute of Technology | 9912 |
19 |
| International Business Machines Corporation | 60095 |
17 |
| Hewlett-Packard Development Company, L.P. | 27473 |
17 |
| Siemens AG | 24573 |
15 |
| Seiko Epson Corporation | 18984 |
13 |
| Denso Corporation | 23747 |
13 |
| National University Corporation Toyohashi University of Technology | 198 |
13 |
| The University of Tokyo | 4055 |
13 |
| Hitachi High-Tech Corporation | 5040 |
13 |
| Nippon Telegraph and Telephone Corporation | 16290 |
12 |
| Saudi Arabian Oil Company | 12423 |
12 |
| Samsung Electronics Co., Ltd. | 138729 |
11 |
| Honeywell International Inc. | 14012 |
11 |
| Hitachi Automotive Systems, Ltd. | 3962 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
11 |
| Other owners | 2151 |