- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/50 - Carbon dioxide
Patent holdings for IPC class C01B 32/50
Total number of patents in this class: 1369
10-year publication summary
|
60
|
108
|
91
|
88
|
119
|
141
|
185
|
204
|
233
|
91
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9034 |
83 |
| Saudi Arabian Oil Company | 13949 |
29 |
| NGK Insulators, Ltd. | 5215 |
26 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4066 |
24 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 194 |
17 |
| Uop LLC | 4322 |
15 |
| Denso Corporation | 25283 |
14 |
| IHI Corporation | 3527 |
13 |
| Iogen Corporation | 157 |
12 |
| The Kansai Electric Power Co., Inc. | 129 |
12 |
| 8 Rivers Capital, LLC | 236 |
11 |
| Carbon Holdings Intellectual Properties, LLC | 68 |
11 |
| Toshiba Corporation | 12694 |
10 |
| Nitto Denko Corporation | 8470 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3596 |
10 |
| Research Institute of Innovative Technology for the Earth | 86 |
10 |
| Infinium Technology, LLC | 95 |
10 |
| Honda Motor Co., Ltd. | 25891 |
9 |
| Mitsubishi Electric Corporation | 47683 |
9 |
| Sekisui Chemical Co., Ltd. | 3578 |
9 |
| Other owners | 1025 |