- All sections
- G - Physics
- G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves
- G01H 9/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
Patent holdings for IPC class G01H 9/00
Total number of patents in this class: 2267
10-year publication summary
|
125
|
149
|
144
|
165
|
181
|
211
|
225
|
218
|
201
|
148
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36003 |
189 |
| NEC Laboratories America, Inc. | 1152 |
138 |
| Halliburton Energy Services, Inc. | 20946 |
75 |
| OptaSense Holdings Limited | 194 |
72 |
| Nippon Telegraph and Telephone Corporation | 17381 |
64 |
| Silixa Ltd. | 95 |
43 |
| Saudi Arabian Oil Company | 13372 |
41 |
| Schlumberger Technology Corporation | 10881 |
35 |
| Hifi Engineering Inc. | 131 |
33 |
| King Abdullah University of Science and Technology | 1803 |
23 |
| Viavi Solutions Inc. | 1452 |
19 |
| Fiber Sense Limited | 39 |
18 |
| The Board of Trustees of the Leland Stanford Junior University | 6462 |
17 |
| Shell USA, Inc. | 1238 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
14 |
| Chevron U.S.A. Inc. | 3992 |
13 |
| Technion Research & Development Foundation Ltd. | 1228 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
12 |
| ConocoPhillips Company | 1675 |
12 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2386 |
12 |
| Other owners | 1409 |