- 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: 2777
10-year publication summary
156
|
159
|
212
|
200
|
160
|
150
|
169
|
151
|
124
|
63
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hamamatsu Photonics K.K. | 4418 |
33 |
Murata Manufacturing Co., Ltd. | 24542 |
32 |
Shimadzu Corporation | 6172 |
27 |
Canon Kabushiki Kaisha | 7061 |
26 |
Siemens AG | 24477 |
24 |
Omni Medsci, Inc. | 36 |
24 |
Schlumberger Technology Corporation | 10727 |
22 |
Saudi Arabian Oil Company | 13185 |
21 |
MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
21 |
The Boeing Company | 20053 |
19 |
FOSS Analytical A/S | 180 |
19 |
Centre National de La Recherche Scientifique | 10432 |
15 |
HORIBA, Ltd. | 820 |
15 |
Halliburton Energy Services, Inc. | 20901 |
13 |
Massachusetts Institute of Technology | 10055 |
13 |
Thermo Electron Scientific Instruments LLC | 191 |
13 |
Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
13 |
1087 Systems, Inc. | 23 |
13 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6109 |
13 |
Sumitomo Electric Industries, Ltd. | 15495 |
12 |
Other owners | 2389 |