- 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: 2752
10-year publication summary
|
156
|
159
|
212
|
199
|
161
|
150
|
167
|
135
|
116
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4303 |
33 |
| Murata Manufacturing Co., Ltd. | 23609 |
32 |
| Siemens AG | 24575 |
27 |
| Canon Kabushiki Kaisha | 6935 |
27 |
| Shimadzu Corporation | 5987 |
26 |
| Saudi Arabian Oil Company | 12390 |
21 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
20 |
| Schlumberger Technology Corporation | 10217 |
19 |
| The Boeing Company | 19900 |
19 |
| FOSS Analytical A/S | 179 |
19 |
| Omni Medsci, Inc. | 30 |
18 |
| Halliburton Energy Services, Inc. | 20403 |
14 |
| Centre National de La Recherche Scientifique | 10052 |
14 |
| Massachusetts Institute of Technology | 9903 |
14 |
| HORIBA, Ltd. | 783 |
14 |
| Thermo Electron Scientific Instruments LLC | 188 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10667 |
13 |
| 1087 Systems, Inc. | 23 |
13 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
13 |
| Sumitomo Electric Industries, Ltd. | 14914 |
12 |
| Other owners | 2371 |