- 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: 2209
10-year publication summary
|
196
|
206
|
229
|
207
|
177
|
211
|
167
|
176
|
160
|
92
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Microdevices Corporation | 603 |
71 |
| Rebellion Photonics, Inc. | 99 |
65 |
| HORIBA, Ltd. | 890 |
58 |
| Konica Minolta, Inc. | 9159 |
42 |
| Honeywell International Inc. | 12770 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
28 |
| Elichens | 40 |
28 |
| FLIR Systems AB | 207 |
26 |
| Senseair AB | 86 |
26 |
| Koninklijke Philips N.V. | 25978 |
21 |
| Omni Medsci, Inc. | 38 |
21 |
| Dräger Safety AG & Co. KGaA | 472 |
20 |
| MLS Acq, Inc d/b/a Max Analytical Technology | 37 |
20 |
| Schlumberger Technology Corporation | 11893 |
19 |
| Infineon Technologies AG | 8410 |
19 |
| Siemens AG | 23983 |
18 |
| Yokogawa Electric Corporation | 1933 |
18 |
| Shimadzu Corporation | 6370 |
17 |
| GE Infrastructure Technology, LLC | 6154 |
17 |
| Applied Materials, Inc. | 20514 |
16 |
| Other owners | 1631 |