- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Patent holdings for IPC class G01N 21/3504
Total number of patents in this class: 2096
10-year publication summary
|
149
|
191
|
197
|
225
|
202
|
172
|
205
|
156
|
169
|
142
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Microdevices Corporation | 558 |
60 |
| Rebellion Photonics, Inc. | 93 |
60 |
| HORIBA, Ltd. | 832 |
51 |
| Konica Minolta, Inc. | 8910 |
41 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
28 |
| Elichens | 40 |
28 |
| FLIR Systems AB | 203 |
26 |
| Honeywell International Inc. | 13571 |
24 |
| Senseair AB | 85 |
23 |
| Koninklijke Philips N.V. | 25172 |
21 |
| Dräger Safety AG & Co. KGaA | 450 |
20 |
| Omni Medsci, Inc. | 37 |
20 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
20 |
| Infineon Technologies AG | 8293 |
19 |
| Siemens AG | 24333 |
18 |
| Yokogawa Electric Corporation | 1818 |
17 |
| GE Infrastructure Technology, LLC | 6197 |
17 |
| MultiSensor Scientific, Inc. | 22 |
17 |
| Schlumberger Technology Corporation | 11075 |
16 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6233 |
15 |
| Other owners | 1555 |