- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/50 - Carbon dioxide
Patent holdings for IPC class C01B 32/50
Total number of patents in this class: 1032
10-year publication summary
|
26
|
60
|
108
|
91
|
88
|
119
|
139
|
172
|
180
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8538 |
57 |
| Saudi Arabian Oil Company | 12446 |
26 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
19 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 198 |
18 |
| NGK Insulators, Ltd. | 4792 |
13 |
| 8 Rivers Capital, LLC | 239 |
13 |
| IHI Corporation | 3359 |
12 |
| Denso Corporation | 23769 |
11 |
| Uop LLC | 4188 |
11 |
| Iogen Corporation | 144 |
11 |
| The Kansai Electric Power Co., Inc. | 147 |
10 |
| Carbon Holdings Intellectual Properties, LLC | 55 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
9 |
| Research Institute of Innovative Technology for the Earth | 89 |
9 |
| Sekisui Chemical Co., Ltd. | 3308 |
9 |
| Toshiba Corporation | 12051 |
8 |
| University of Florida Research Foundation, Inc. | 3958 |
8 |
| Honda Motor Co., Ltd. | 24866 |
7 |
| Arizona Board of Regents on behalf of Arizona State University | 2464 |
7 |
| Commonwealth Scientific and Industrial Research Organisation | 1675 |
7 |
| Other owners | 757 |