- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
Patent holdings for IPC class G01N 21/35
Total number of patents in this class: 2775
10-year publication summary
|
159
|
211
|
200
|
161
|
150
|
174
|
160
|
147
|
93
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4713 |
34 |
| Murata Manufacturing Co., Ltd. | 25917 |
32 |
| Shimadzu Corporation | 6372 |
30 |
| Omni Medsci, Inc. | 38 |
26 |
| Siemens AG | 23956 |
23 |
| Schlumberger Technology Corporation | 11940 |
22 |
| Canon Kabushiki Kaisha | 7387 |
22 |
| Saudi Arabian Oil Company | 14369 |
21 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
21 |
| The Boeing Company | 20193 |
19 |
| FOSS Analytical A/S | 193 |
18 |
| HORIBA, Ltd. | 892 |
17 |
| Centre National de La Recherche Scientifique | 11111 |
15 |
| Thermo Electron Scientific Instruments LLC | 181 |
15 |
| Photothermal Spectroscopy Corp. | 48 |
15 |
| Massachusetts Institute of Technology | 10305 |
14 |
| Halliburton Energy Services, Inc. | 21292 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
13 |
| 1087 Systems, Inc. | 23 |
13 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
13 |
| Other owners | 2379 |