- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 31/28 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups of the platinum group metals, iron group metals or copper
Patent holdings for IPC class B01J 31/28
Total number of patents in this class: 386
10-year publication summary
|
37
|
22
|
22
|
22
|
37
|
21
|
20
|
21
|
21
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyushu University, National University Corporation | 1665 |
7 |
| Organo Corporation | 504 |
7 |
| The University of Tokyo | 4244 |
7 |
| Sumitomo Chemical Company, Limited | 9095 |
6 |
| LG Chem, Ltd. | 17682 |
5 |
| Soochow University | 1748 |
5 |
| Nissan Chemical Corporation | 2093 |
5 |
| Rohm and Haas Company | 2922 |
4 |
| Dow Global Technologies LLC | 10509 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
4 |
| Bluestar Silicones France. | 80 |
4 |
| Kurita Water Industries Ltd. | 1222 |
4 |
| Takasago International Corporation | 404 |
4 |
| The Regents of the University of California | 20230 |
3 |
| Nissan Motor Co., Ltd. | 12592 |
3 |
| PPG Industries Ohio, Inc. | 3415 |
3 |
| The Board of Trustees of the University of Illinois | 2713 |
3 |
| Wako Pure Chemical Industries, Ltd. | 131 |
3 |
| Japan Science and Technology Agency | 1292 |
3 |
| Chevron Phillips Chemical Company LP | 1848 |
3 |
| Other owners | 299 |