- 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: 1835
10-year publication summary
152
|
157
|
196
|
206
|
231
|
207
|
174
|
206
|
157
|
52
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rebellion Photonics, Inc. | 77 |
49 |
Asahi Kasei Microdevices Corporation | 461 |
48 |
HORIBA, Ltd. | 746 |
44 |
Konica Minolta, Inc. | 8349 |
38 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
28 |
Elichens | 39 |
27 |
FLIR Systems AB | 203 |
26 |
Koninklijke Philips N.V. | 22975 |
22 |
Honeywell International Inc. | 13799 |
20 |
MLS Acq, Inc d/b/a Max Analytical Technology | 36 |
19 |
GE Infrastructure Technology, LLC | 5873 |
18 |
Siemens AG | 24990 |
17 |
Dräger Safety AG & Co. KGaA | 401 |
17 |
Senseair AB | 83 |
17 |
MultiSensor Scientific, Inc. | 22 |
17 |
Robert Bosch GmbH | 40953 |
15 |
Infineon Technologies AG | 8189 |
15 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
15 |
Schlumberger Technology Corporation | 9690 |
14 |
Yokogawa Electric Corporation | 1584 |
13 |
Other owners | 1356 |