Patent holdings for IPC class G01N 31/12

Total number of patents in this class: 316

10-year publication summary

17
22
28
13
37
27
22
28
21
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
HORIBA, Ltd.
886
25
IFP Energies Nouvelles
3095
18
Shimadzu Corporation
6337
17
Leco Corporation
198
15
China Tobacco Yunnan Industrial Co., Ltd.
277
9
Saudi Arabian Oil Company
14207
7
Horiba Tocadero GmbH
9
7
Thermo Fisher Scientific (Bremen) GmbH
624
5
3m Innovative Properties Company
17488
4
LG Chem, Ltd.
17921
4
AC Analytical Controls B.V.
13
4
Aramco Services Company
4188
4
JFE Steel Corporation
7508
4
O.I. Corporation
19
4
The Boeing Company
20160
3
C. Gerhardt GmbH & Co KG
7
3
China University of Petroleum (East China)
417
3
HemoSonics LLC
55
3
Horiba Advanced Techno, Co., Ltd.
121
3
LAR Process Analysers AG
9
3
Other owners 171