- 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: 142
10-year publication summary
|
10
|
14
|
13
|
16
|
10
|
8
|
8
|
10
|
11
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jamco Corporation | 170 |
9 |
| Georgetown University | 619 |
7 |
| The University of Birmingham | 416 |
5 |
| Purdue Research Foundation | 3831 |
4 |
| Applied Photophysics Limited | 10 |
4 |
| The Regents of the University of California | 20473 |
3 |
| Hamamatsu Photonics K.K. | 4593 |
3 |
| Global Fiberoptics, Ltd. | 6 |
3 |
| The University of Tokyo | 4318 |
3 |
| VUV Analytics, Inc. | 21 |
3 |
| Seoul National University R&db Foundation | 3968 |
3 |
| Advanced Bio-spectroscopy Co., Ltd | 3 |
3 |
| The Regents of the University of Michigan | 4890 |
2 |
| Duke University | 3167 |
2 |
| asahi vision inc. | 6 |
2 |
| Communications Test Design, Inc. | 122 |
2 |
| Hinds Instruments, Inc. | 27 |
2 |
| Inter-university Research Institute Corporation National Institutes of Natural Sciences | 144 |
2 |
| Rodenstock GmbH | 388 |
2 |
| Shionogi & Co., Ltd. | 833 |
2 |
| Other owners | 76 |