- All sections
- C - Chemistry; metallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/02 - Oxides; Hydroxides
Patent holdings for IPC class C01G 49/02
Total number of patents in this class: 461
10-year publication summary
|
34
|
24
|
33
|
48
|
50
|
27
|
16
|
31
|
25
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Soda Co., Ltd. | 882 |
14 |
| HHeLi, LLC | 64 |
14 |
| Uop LLC | 4161 |
12 |
| M. Technique Co., Ltd. | 241 |
11 |
| The Brigham and Women's Hospital, Inc. | 2109 |
9 |
| Takahashi Metal Industries Co., Ltd. | 11 |
8 |
| The Regents of the University of California | 19150 |
7 |
| LG Chem, Ltd. | 17470 |
6 |
| Guangdong Brunp Recycling Technology Co., Ltd | 810 |
6 |
| Hunan Brunp Recycling Technology Co., Ltd. | 755 |
6 |
| Lanxess Deutschland GmbH | 1109 |
6 |
| ZTI Biosciences Co., Ltd. | 13 |
6 |
| Beijing Haixin Energy Technology Co., Ltd. | 26 |
6 |
| Evonik Degussa GmbH | 1558 |
5 |
| Beijing SJ Environmental Protection and New Material Co., Ltd. | 6 |
5 |
| Toda Kogyo Corporation | 335 |
5 |
| FUJIFILM Corporation | 27430 |
4 |
| Cerion, LLC | 36 |
4 |
| Dowa Electronics Materials Co., Ltd. | 613 |
4 |
| Nanobacterie | 38 |
4 |
| Other owners | 319 |