Patent holdings for IPC class C25B 11/02

Total number of patents in this class: 548

10-year publication summary

45
44
52
59
45
42
49
48
63
30
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Industrie de Nora S.p.A.
277
14
Panasonic Intellectual Property Management Co., Ltd.
31330
9
Nippon Telegraph and Telephone Corporation
17337
9
Asahi Kasei Kabushiki Kaisha
2666
9
The Chugoku Electric Power Co., Inc.
514
9
C2cnt LLC
88
9
Colgate-Palmolive Company
5812
8
Evoqua Water Technologies LLC
917
7
The Regents of the University of California
19898
6
King Fahd University of Petroleum and Minerals
1179
6
Daon Spread technology. Co.,Ltd
7
6
Robert Bosch GmbH
42674
5
Axine Water Technologies Inc.
48
5
GTA, Inc.
7
5
Techwin Co., Ltd.
64
5
Toshiba Corporation
12334
4
Korea Institute of Science and Technology
2115
4
de Nora Permelec Ltd
159
4
King Abdullah University of Science and Technology
1776
4
Kyoto University
2799
4
Other owners 416