Patent holdings for IPC class G01N 21/51

Total number of patents in this class: 674

10-year publication summary

75
71
43
68
55
44
29
27
31
20
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hitachi High-Tech Corporation
5941
24
Hach Lange GmbH
158
23
Wyatt Technology, LLC
168
16
Malvern PANalytical Limited
123
15
bioMerieux, Inc.
454
13
IP Specialists Ltd
14
12
Amgen Inc.
4436
11
Koninklijke Philips N.V.
25978
8
Commissariat à l'énergie atomique et aux energies alternatives
11124
8
Malvern Instruments Limited
55
8
Endress + Hauser Conducta GmbH + Co. KG
365
7
Sysmex Corporation
1438
7
University Court of The University of ST Andrews
298
7
Arizona Board of Regents on behalf of Arizona State University
2965
6
Ecolab USA Inc.
5820
6
The Wave Talk, Inc.
60
6
The Regents of the University of California
20842
5
Becton, Dickinson and Company
7594
5
The General Hospital Corporation
4879
5
Abbvie Inc.
1799
5
Other owners 477