Patent holdings for IPC class G01N 21/51

Total number of patents in this class: 636

10-year publication summary

53
74
75
71
43
67
55
42
27
14
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hitachi High-Tech Corporation
4424
24
Hach Lange GmbH
137
23
IP Specialists Ltd
16
14
bioMerieux, Inc.
391
13
Wyatt Technology, LLC
97
13
Malvern PANalytical Limited
100
12
Amgen Inc.
3779
9
Koninklijke Philips N.V.
22975
8
Commissariat à l'énergie atomique et aux energies alternatives
10525
8
Malvern Instruments Limited
60
8
Sysmex Corporation
1418
7
University Court of The University of ST Andrews
305
7
Becton, Dickinson and Company
6712
6
Endress + Hauser Conducta GmbH + Co. KG
292
6
NanoTemper Technologies GmbH
50
6
The Regents of the University of California
18943
5
Abbvie Inc.
1808
5
Arizona Board of Regents on behalf of Arizona State University
2226
5
Ecolab USA Inc.
5190
5
Hach Company
403
5
Other owners 447