- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
Patent holdings for IPC class G01N 21/71
Total number of patents in this class: 737
10-year publication summary
|
50
|
69
|
68
|
61
|
84
|
83
|
52
|
71
|
51
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Research Council of Canada | 1545 |
26 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
23 |
| SciAps, Inc. | 36 |
18 |
| FOSS Analytical A/S | 174 |
17 |
| Elemental Scientific, Inc. | 255 |
16 |
| Robert Bosch GmbH | 40953 |
14 |
| Centre National de La Recherche Scientifique | 9632 |
9 |
| Thermo Scientific Portable Analytical Instruments Inc. | 114 |
9 |
| Applied Spectra, Inc. | 16 |
9 |
| House of Metals Company Limited | 33 |
9 |
| The Boeing Company | 19843 |
7 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
7 |
| Divergent Technologies, Inc. | 413 |
7 |
| Huazhong University of Science and Technology | 930 |
7 |
| Thermo Fisher Scientific (Ecublens) SARL | 30 |
7 |
| Halliburton Energy Services, Inc. | 20165 |
6 |
| IFP Energies Nouvelles | 2717 |
6 |
| Nippon Steel Corporation | 5649 |
6 |
| TSI Incorporated | 178 |
6 |
| Metrohm Spectro, Inc. | 66 |
6 |
| Other owners | 522 |