- 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: 2716
10-year publication summary
|
147
|
156
|
159
|
212
|
199
|
160
|
146
|
156
|
123
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
33 |
| Murata Manufacturing Co., Ltd. | 22355 |
32 |
| Canon Kabushiki Kaisha | 6884 |
30 |
| Siemens AG | 24990 |
27 |
| Shimadzu Corporation | 5791 |
25 |
| Schlumberger Technology Corporation | 9690 |
19 |
| Saudi Arabian Oil Company | 11322 |
19 |
| FOSS Analytical A/S | 174 |
19 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 36 |
18 |
| The Boeing Company | 19843 |
17 |
| Omni Medsci, Inc. | 27 |
15 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
15 |
| Halliburton Energy Services, Inc. | 20165 |
14 |
| Robert Bosch GmbH | 40953 |
14 |
| Massachusetts Institute of Technology | 9795 |
14 |
| Centre National de La Recherche Scientifique | 9632 |
13 |
| Sumitomo Electric Industries, Ltd. | 14131 |
13 |
| Koninklijke Philips Electronics N.V. | 13133 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
| Other owners | 2341 |