Patent holdings for IPC class C01B 25/32

Total number of patents in this class: 507

10-year publication summary

41
40
39
42
32
20
20
24
26
4
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
390
10
Hoya Corporation
2756
9
Solvay SA
969
9
B. Braun Surgical S.A.
36
8
Chemische Fabrik Budenheim KG
215
8
TOMITA Pharmaceutical Co., Ltd.
67
8
The University Court of the University of Aberdeen
121
8
Consiglio Nazionale delle Ricerche
567
7
Promimic AB
19
7
Bioventus LLC
69
6
Cartiheal (2009) Ltd.
53
6
Fin-ceramica Faenza S.p.A.
34
6
Korea Institute of Science and Technology
2177
5
ApaTech Limited
26
5
Mathys AG Bettlach
79
5
Sirakoss Limited
11
5
Centre National de La Recherche Scientifique
10805
4
Other owners 356