Patent holdings for IPC class C01B 25/32

Total number of patents in this class: 502

10-year publication summary

46
42
41
46
35
21
23
27
26
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Bio-Rad Laboratories, Inc.
1613
13
Prayon Technologies
48
12
Sofsera Corporation
25
10
Universitat Politecnica de Catalunya
391
10
Hoya Corporation
2736
9
Solvay SA
958
9
Chemische Fabrik Budenheim KG
213
8
TOMITA Pharmaceutical Co., Ltd.
67
8
The University Court of the University of Aberdeen
118
8
Consiglio Nazionale delle Ricerche
571
7
Promimic AB
19
7
B. Braun Surgical S.A.
31
6
Bioventus LLC
70
6
Cartiheal (2009) Ltd.
52
6
Korea Institute of Science and Technology
2198
5
ApaTech Limited
27
5
Fin-ceramica Faenza S.p.A.
33
5
Mathys AG Bettlach
79
5
Sirakoss Limited
10
5
Centre National de La Recherche Scientifique
10881
4
Other owners 354