- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours
- G01B 9/02091 - Tomographic interferometers, e.g. based on optical coherence
Patent holdings for IPC class G01B 9/02091
Total number of patents in this class: 319
10-year publication summary
2
|
0
|
4
|
5
|
16
|
31
|
60
|
74
|
72
|
29
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The General Hospital Corporation | 4517 |
12 |
NEC Corporation | 32703 |
8 |
Acucela Inc. | 154 |
7 |
Alcon, Inc. | 4899 |
7 |
Carl Zeiss Meditec, Inc. | 282 |
7 |
Canon U.S.A., Inc. | 472 |
6 |
Centre National de La Recherche Scientifique | 9632 |
6 |
Topcon Corporation | 979 |
6 |
KineoLabs | 9 |
6 |
Ecole Superieure de Physique et de Chimie Industrielles de La Ville de Paris | 292 |
5 |
Precitec GmbH & Co. KG | 176 |
5 |
Precitec Optronik GmbH | 59 |
5 |
TRUMPF Laser GmbH | 149 |
5 |
Duke University | 2872 |
4 |
Avinger, Inc. | 127 |
4 |
Carl Zeiss Meditec AG | 1541 |
4 |
NinePoint Medical, Inc. | 32 |
4 |
Apollo Medical Optics, Ltd. | 16 |
4 |
Philophos, Inc. | 9 |
4 |
The Regents of the University of California | 18943 |
3 |
Other owners | 207 |