Patent holdings for IPC class G01N 21/51

Total number of patents in this class: 658

10-year publication summary

69
71
69
41
64
51
44
27
26
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hitachi High-Tech Corporation
5357
24
Hach Lange GmbH
150
23
IP Specialists Ltd
17
15
Wyatt Technology, LLC
144
15
Malvern PANalytical Limited
113
14
bioMerieux, Inc.
447
13
Amgen Inc.
4097
10
Koninklijke Philips N.V.
24827
8
Commissariat à l'énergie atomique et aux energies alternatives
10936
8
Malvern Instruments Limited
57
8
Endress + Hauser Conducta GmbH + Co. KG
347
7
Sysmex Corporation
1435
7
University Court of The University of ST Andrews
308
7
The Wave Talk, Inc.
56
6
The Regents of the University of California
20035
5
Becton, Dickinson and Company
7282
5
The General Hospital Corporation
4759
5
Abbvie Inc.
1799
5
Arizona Board of Regents on behalf of Arizona State University
2658
5
Ecolab USA Inc.
5509
5
Other owners 463