- 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: 882
10-year publication summary
18
|
26
|
60
|
108
|
91
|
87
|
116
|
138
|
167
|
53
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries, Ltd. | 8217 |
48 |
Saudi Arabian Oil Company | 11322 |
22 |
Mitsubishi Heavy Industries Engineering, Ltd. | 207 |
18 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
16 |
8 Rivers Capital, LLC | 224 |
12 |
IHI Corporation | 3268 |
12 |
NGK Insulators, Ltd. | 4589 |
11 |
Denso Corporation | 23338 |
10 |
Uop LLC | 4083 |
10 |
Iogen Corporation | 136 |
10 |
The Kansai Electric Power Co., Inc. | 155 |
10 |
Carbon Holdings Intellectual Properties, LLC | 41 |
10 |
Research Institute of Innovative Technology for the Earth | 95 |
9 |
Sekisui Chemical Co., Ltd. | 3159 |
9 |
Toshiba Corporation | 12017 |
8 |
University of Florida Research Foundation, Inc. | 3883 |
8 |
Shinko Sangyo Co., Ltd. | 19 |
7 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
6 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
6 |
Tokyo Gas Co., Ltd. | 84 |
6 |
Other owners | 634 |