Patent holdings for IPC class C25B 11/02

Total number of patents in this class: 596

10-year publication summary

44
52
60
45
43
48
49
68
53
25
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Industrie de Nora S.p.A.
283
14
C2cnt LLC
87
11
Asahi Kasei Kabushiki Kaisha
2822
10
Panasonic Intellectual Property Management Co., Ltd.
33753
9
Nippon Telegraph and Telephone Corporation
15922
9
The Chugoku Electric Power Co., Inc.
514
9
The Regents of the University of California
20669
8
Colgate-Palmolive Company
5759
8
King Fahd University of Petroleum and Minerals
1547
8
Evoqua Water Technologies LLC
931
7
Robert Bosch GmbH
44045
6
Daon Spread technology. Co.,Ltd
7
6
Axine Water Technologies Inc.
48
5
GTA, Inc.
7
5
Techwin Co., Ltd.
67
5
BASF SE
21294
4
LG Chem, Ltd.
17920
4
Mitsubishi Heavy Industries, Ltd.
9080
4
Toshiba Corporation
12542
4
FUJIFILM Corporation
30434
4
Other owners 456