- 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: 162
10-year publication summary
|
11
|
14
|
10
|
16
|
6
|
13
|
6
|
7
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 3339 |
7 |
| Cubixel Co.,Ltd. | 23 |
6 |
| Industry Academy Cooperation Foundation of Sejong University | 418 |
5 |
| Otsuka Electronics Co., Ltd. | 108 |
5 |
| Phase Holographic Imaging PHI AB | 16 |
5 |
| The Regents of the University of California | 20778 |
4 |
| FUJIFILM Corporation | 30516 |
4 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1609 |
4 |
| RD Synergy Ltd. | 5 |
4 |
| Electronics and Telecommunications Research Institute | 9678 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
3 |
| Harris Corporation | 1275 |
3 |
| University of South Florida | 1877 |
3 |
| National University Corporation Kyoto Institute of Technology | 210 |
3 |
| New York University | 1844 |
3 |
| Ramot at Tel-Aviv University Ltd. | 1549 |
3 |
| Chemometec A/S | 66 |
3 |
| Canon Inc. | 43869 |
2 |
| Hamamatsu Photonics K.K. | 4686 |
2 |
| Carl Zeiss SMT AG | 150 |
2 |
| Other owners | 88 |