Patent holdings for IPC class C25B 11/081

Total number of patents in this class: 464

10-year publication summary

1
0
1
7
9
24
45
95
100
127
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7007
11
Johnson Matthey Hydrogen Technologies Limited
120
11
The Regents of the University of California
20268
10
Panasonic Intellectual Property Management Co., Ltd.
32352
10
Siemens Energy Global GmbH & Co. KG
3059
9
Totalenergies Onetech
1414
8
Uop LLC
4256
7
The Governing Council of The University of Toronto,
1500
7
Toshiba Corporation
12540
6
Korea Institute of Science and Technology
2158
6
Asahi Kasei Kabushiki Kaisha
2715
6
Greenerity GmbH
48
6
Tosoh Corporation
1334
6
Battelle Energy Alliance, LLC
594
5
Nisshinbo Holdings Inc.
373
5
Screen Holdings Co., Ltd.
2928
5
Tokyo Gas Co., Ltd.
90
5
Toshiba Energy Systems & Solutions Corp.
1105
5
Evonik Operations GmbH
4163
5
Xerox Corporation
6923
4
Other owners 327