- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 31/12 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using combustion
Patent holdings for IPC class G01N 31/12
Total number of patents in this class: 305
10-year publication summary
|
17
|
22
|
28
|
13
|
37
|
25
|
22
|
25
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HORIBA, Ltd. | 857 |
24 |
| IFP Energies Nouvelles | 3035 |
17 |
| Shimadzu Corporation | 6304 |
15 |
| Leco Corporation | 200 |
15 |
| China Tobacco Yunnan Industrial Co., Ltd. | 269 |
9 |
| Saudi Arabian Oil Company | 13948 |
7 |
| Horiba Tocadero GmbH | 9 |
7 |
| Thermo Fisher Scientific (Bremen) GmbH | 612 |
5 |
| 3m Innovative Properties Company | 17507 |
4 |
| LG Chem, Ltd. | 17846 |
4 |
| AC Analytical Controls B.V. | 13 |
4 |
| Aramco Services Company | 4162 |
4 |
| JFE Steel Corporation | 7370 |
4 |
| O.I. Corporation | 20 |
4 |
| The Boeing Company | 20094 |
3 |
| C. Gerhardt GmbH & Co KG | 7 |
3 |
| China University of Petroleum (East China) | 404 |
3 |
| HemoSonics LLC | 56 |
3 |
| Horiba Advanced Techno, Co., Ltd. | 119 |
3 |
| LAR Process Analysers AG | 9 |
3 |
| Other owners | 164 |