- 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: 2786
10-year publication summary
|
151
|
152
|
199
|
195
|
152
|
145
|
159
|
148
|
125
|
73
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4448 |
34 |
| Murata Manufacturing Co., Ltd. | 24741 |
32 |
| Shimadzu Corporation | 6191 |
28 |
| Omni Medsci, Inc. | 37 |
25 |
| Siemens AG | 24386 |
24 |
| Canon Kabushiki Kaisha | 7081 |
23 |
| Schlumberger Technology Corporation | 10881 |
22 |
| Saudi Arabian Oil Company | 13372 |
21 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
21 |
| The Boeing Company | 20124 |
19 |
| FOSS Analytical A/S | 180 |
19 |
| Centre National de La Recherche Scientifique | 10531 |
15 |
| HORIBA, Ltd. | 825 |
15 |
| Photothermal Spectroscopy Corp. | 44 |
14 |
| Halliburton Energy Services, Inc. | 20946 |
13 |
| Massachusetts Institute of Technology | 10110 |
13 |
| Thermo Electron Scientific Instruments LLC | 191 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
13 |
| 1087 Systems, Inc. | 23 |
13 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6116 |
13 |
| Other owners | 2396 |