- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/61 - Non-dispersive gas analysers
Patent holdings for IPC class G01N 21/61
Total number of patents in this class: 311
10-year publication summary
|
25
|
24
|
33
|
16
|
21
|
29
|
26
|
21
|
20
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Microdevices Corporation | 507 |
14 |
| HORIBA, Ltd. | 790 |
14 |
| Murata Manufacturing Co., Ltd. | 23743 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
8 |
| Siemens AG | 24568 |
6 |
| Honeywell International Inc. | 14022 |
6 |
| King Fahd University of Petroleum and Minerals | 1021 |
6 |
| Senseair AB | 86 |
6 |
| HORIBA STEC, Co., Ltd. | 314 |
5 |
| Mitsumi Electric Co., Ltd. | 1080 |
5 |
| Elichens | 39 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8545 |
4 |
| Analog Devices, Inc. | 3423 |
4 |
| Carrier Corporation | 4451 |
4 |
| Amphenol Thermometrics, Inc. | 63 |
4 |
| Gas Sensing Solutions Ltd. | 12 |
4 |
| GasPorOx AB | 47 |
4 |
| Lumileds LLC | 1885 |
4 |
| Yokogawa Electric Corporation | 1696 |
4 |
| Texas Instruments Incorporated | 19447 |
3 |
| Other owners | 191 |