- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 1/23 - Carbon monoxide or syngas
Patent holdings for IPC class C25B 1/23
Total number of patents in this class: 856
10-year publication summary
|
5
|
5
|
4
|
7
|
42
|
107
|
145
|
186
|
160
|
92
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 1044 |
52 |
| Twelve Benefit Corporation | 152 |
40 |
| Utility Global, Inc. | 112 |
35 |
| Toshiba Corporation | 12548 |
29 |
| Siemens Energy Global GmbH & Co. KG | 3335 |
23 |
| NGK Insulators, Ltd. | 5232 |
18 |
| Idemitsu Kosan Co., Ltd. | 4234 |
17 |
| The Governing Council of The University of Toronto, | 1553 |
17 |
| Totalenergies Onetech | 1530 |
16 |
| Nippon Telegraph and Telephone Corporation | 15922 |
15 |
| LG Chem, Ltd. | 17921 |
14 |
| Chiyoda Corporation | 422 |
14 |
| Sekisui Chemical Co., Ltd. | 3606 |
13 |
| Toshiba Energy Systems & Solutions Corp. | 1150 |
13 |
| Chevron U.S.A. Inc. | 4134 |
11 |
| Saudi Arabian Oil Company | 14207 |
11 |
| Honda Motor Co., Ltd. | 26008 |
10 |
| King Fahd University of Petroleum and Minerals | 1569 |
10 |
| The University of British Columbia | 1537 |
10 |
| The University of Tokyo | 4352 |
10 |
| Other owners | 478 |