Patent holdings for IPC class C25B 1/23

Total number of patents in this class: 665

10-year publication summary

0
5
4
2
6
41
106
139
174
92
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Twelve Benefit Corporation
153
38
Topsoe A/S
896
38
Utility Global, Inc.
102
32
Toshiba Corporation
12350
24
NGK Insulators, Ltd.
4965
17
The Governing Council of The University of Toronto,
1478
16
Idemitsu Kosan Co., Ltd.
4224
15
Nippon Telegraph and Telephone Corporation
17349
14
Siemens Energy Global GmbH & Co. KG
2974
14
Totalenergies Onetech
1329
14
Toshiba Energy Systems & Solutions Corp.
1079
12
Chiyoda Corporation
399
10
Centre National de La Recherche Scientifique
10442
9
Sekisui Chemical Co., Ltd.
3429
9
The University of British Columbia
1502
9
AVL List GmbH
1295
8
Saudi Arabian Oil Company
13206
8
Linde GmbH
1264
8
LG Chem, Ltd.
17639
7
LanzaTech, Inc.
353
7
Other owners 356