- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 3/20 - Rowland circle spectrometers
Patent holdings for IPC class G01J 3/20
Total number of patents in this class: 26
10-year publication summary
|
3
|
1
|
4
|
2
|
3
|
4
|
0
|
0
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OtO Photonics, Inc. | 17 |
3 |
| Hitachi High-Tech Analytical Science GmbH | 19 |
3 |
| Canon Inc. | 43941 |
2 |
| SPECTRO Analytical Instruments GmbH | 66 |
2 |
| Huang, Yingyan | 4 |
2 |
| Bruker AXS SE | 39 |
2 |
| Apple Inc. | 58936 |
1 |
| Ricoh Company, Ltd. | 13337 |
1 |
| Analytik Jena AG | 14 |
1 |
| Bruker Elemental GmbH | 3 |
1 |
| Horiba Jobin Yvon SAS | 47 |
1 |
| OptoNet Inc. | 3 |
1 |
| Repligen Corporation | 299 |
1 |
| Valorbec S.E.C. | 18 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6126 |
1 |
| Oto Photonics Inc. | 12 |
1 |
| Hitachi High-Tech Corporation | 5884 |
1 |
| Easyxafs, LLC | 6 |
1 |
| Other owners | 0 |