Patent holdings for IPC class C01B 25/32

Total number of patents in this class: 491

10-year publication summary

29
46
42
41
46
35
21
22
24
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Bio-Rad Laboratories, Inc.
1615
13
Prayon Technologies
39
11
Sofsera Corporation
27
10
Fin-ceramica Faenza S.p.A.
41
9
Solvay SA
1030
9
Universitat Politecnica de Catalunya
369
9
The University Court of the University of Aberdeen
122
9
Hoya Corporation
2745
8
TOMITA Pharmaceutical Co., Ltd.
67
8
B. Braun Surgical S.A.
33
7
Chemische Fabrik Budenheim KG
219
7
Consiglio Nazionale delle Ricerche
546
7
Promimic AB
19
7
ApaTech Limited
30
6
Bioventus LLC
70
6
Cartiheal (2009) Ltd.
55
5
Mathys AG Bettlach
81
5
Sirakoss Limited
11
5
Centre National de La Recherche Scientifique
10102
4
National Institute of Advanced Industrial Science and Technology
3736
4
Other owners 342