Patent holdings for IPC class C25B 11/02

Total number of patents in this class: 574

10-year publication summary

40
51
56
42
39
46
44
63
52
4
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.
276
14
C2cnt LLC
91
11
Panasonic Intellectual Property Management Co., Ltd.
32838
9
Nippon Telegraph and Telephone Corporation
16263
9
Asahi Kasei Kabushiki Kaisha
2742
9
The Chugoku Electric Power Co., Inc.
511
9
Colgate-Palmolive Company
5743
8
King Fahd University of Petroleum and Minerals
1423
8
Evoqua Water Technologies LLC
925
7
The Regents of the University of California
20339
6
Daon Spread technology. Co.,Ltd
7
6
Robert Bosch GmbH
43213
5
Axine Water Technologies Inc.
47
5
GTA, Inc.
7
5
Techwin Co., Ltd.
66
5
FUJIFILM Corporation
30012
4
The Regents of the University of Michigan
4831
4
Korea Institute of Science and Technology
2172
4
de Nora Permelec Ltd
161
4
King Abdullah University of Science and Technology
1823
4
Other owners 438