- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/19 - Dichroism
Patent holdings for IPC class G01N 21/19
Total number of patents in this class: 131
10-year publication summary
|
10
|
8
|
10
|
14
|
13
|
16
|
11
|
8
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jamco Corporation | 166 |
7 |
| Georgetown University | 591 |
5 |
| The University of Birmingham | 393 |
5 |
| Purdue Research Foundation | 3277 |
4 |
| Applied Photophysics Limited | 10 |
4 |
| The University of Tokyo | 3903 |
4 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Global Fiberoptics, Ltd. | 6 |
3 |
| VUV Analytics, Inc. | 15 |
3 |
| Advanced Bio-spectroscopy Co., Ltd | 3 |
3 |
| The Regents of the University of California | 18943 |
2 |
| asahi vision inc. | 7 |
2 |
| Hinds Instruments, Inc. | 26 |
2 |
| Kairos Aerospace Inc. | 2 |
2 |
| Q-state Biosciences, Inc. | 39 |
2 |
| Rodenstock GmbH | 356 |
2 |
| Shionogi & Co., Ltd. | 914 |
2 |
| Transitions Optical, Inc. | 317 |
2 |
| Universite de Rennes 1 | 434 |
2 |
| Vanderbilt University | 1731 |
2 |
| Other owners | 70 |