- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
Patent holdings for IPC class G01N 21/39
Total number of patents in this class: 1128
10-year publication summary
|
81
|
111
|
92
|
117
|
111
|
104
|
106
|
98
|
82
|
25
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
29 |
| Omni Medsci, Inc. | 27 |
19 |
| GasPorOx AB | 43 |
16 |
| Shimadzu Corporation | 5791 |
15 |
| LI-COR, Inc. | 169 |
15 |
| ABB Schweiz AG | 6321 |
14 |
| HORIBA, Ltd. | 746 |
14 |
| OnPoint Technologies, LLC | 56 |
14 |
| Endress+Hauser Optical Analysis, Inc. | 86 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
12 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| Bridger Photonics, Inc. | 46 |
11 |
| SpectraSensors, Inc. | 34 |
11 |
| Fuji Electric Co., Ltd. | 4750 |
10 |
| Hamamatsu Photonics K.K. | 4161 |
10 |
| Yokogawa Electric Corporation | 1584 |
10 |
| NEC Corporation | 32703 |
9 |
| Konica Minolta, Inc. | 8349 |
9 |
| RedShift Bioanalytics, Inc. | 26 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
| Other owners | 869 |