Patent holdings for IPC class G01N 31/12

Total number of patents in this class: 298

10-year publication summary

14
17
22
28
13
37
25
20
22
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
HORIBA, Ltd.
809
24
IFP Energies Nouvelles
2893
15
Leco Corporation
200
15
Shimadzu Corporation
6132
14
China Tobacco Yunnan Industrial Co., Ltd.
248
7
Saudi Arabian Oil Company
12858
7
Horiba Tocadero GmbH
9
7
Thermo Fisher Scientific (Bremen) GmbH
571
5
3m Innovative Properties Company
17849
4
LG Chem, Ltd.
17561
4
AC Analytical Controls B.V.
13
4
Aramco Services Company
3910
4
JFE Steel Corporation
6767
4
O.I. Corporation
23
4
Acetate International LLC
64
4
The Boeing Company
20013
3
C. Gerhardt GmbH & Co KG
7
3
China University of Petroleum (East China)
367
3
Elementar Analysensysteme GmbH
51
3
HemoSonics LLC
56
3
Other owners 161