- 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: 2428
10-year publication summary
|
160
|
165
|
172
|
191
|
215
|
230
|
228
|
210
|
198
|
143
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37312 |
222 |
| NEC Laboratories America, Inc. | 1263 |
157 |
| Halliburton Energy Services, Inc. | 21284 |
76 |
| OptaSense Holdings Limited | 180 |
66 |
| Nippon Telegraph and Telephone Corporation | 15933 |
49 |
| Saudi Arabian Oil Company | 14349 |
43 |
| Silixa Ltd. | 84 |
40 |
| Ntt, Inc. | 4556 |
40 |
| Schlumberger Technology Corporation | 11924 |
38 |
| Hifi Engineering Inc. | 140 |
35 |
| King Abdullah University of Science and Technology | 1868 |
23 |
| Fiber Sense Limited | 47 |
23 |
| Viavi Solutions Inc. | 1529 |
20 |
| The Board of Trustees of the Leland Stanford Junior University | 6707 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
15 |
| Shell USA, Inc. | 1351 |
15 |
| Chevron U.S.A. Inc. | 4166 |
14 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2455 |
14 |
| DeepSight Technology, Inc. | 54 |
14 |
| Sintela Limited | 18 |
14 |
| Other owners | 1494 |