- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 9/021 - Interferometers using holographic techniques
Patent holdings for IPC class G01B 9/021
Total number of patents in this class: 158
10-year publication summary
|
12
|
11
|
14
|
10
|
15
|
6
|
12
|
5
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 3011 |
7 |
| Phase Holographic Imaging PHI AB | 19 |
6 |
| Cubixel Co.,Ltd. | 21 |
6 |
| Industry Academy Cooperation Foundation of Sejong University | 341 |
5 |
| The Regents of the University of California | 20015 |
4 |
| FUJIFILM Corporation | 29489 |
4 |
| University of South Florida | 1840 |
4 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1543 |
4 |
| RD Synergy Ltd. | 5 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10930 |
3 |
| Harris Corporation | 1422 |
3 |
| National University Corporation Kyoto Institute of Technology | 193 |
3 |
| New York University | 1750 |
3 |
| Otsuka Electronics Co., Ltd. | 98 |
3 |
| Ovizio Imaging Systems N.V. | 4 |
3 |
| Ramot at Tel-Aviv University Ltd. | 1484 |
3 |
| Chemometec A/S | 64 |
3 |
| Canon Inc. | 40216 |
2 |
| Hamamatsu Photonics K.K. | 4434 |
2 |
| Carl Zeiss SMT AG | 199 |
2 |
| Other owners | 84 |