- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 13/14 - Methods for preparing oxides or hydroxides in general
Patent holdings for IPC class C01B 13/14
Total number of patents in this class: 337
10-year publication summary
|
22
|
11
|
36
|
15
|
20
|
16
|
15
|
13
|
10
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| M. Technique Co., Ltd. | 237 |
24 |
| Ejoule International Limited | 8 |
8 |
| BASF SE | 19740 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| President and Fellows of Harvard College | 5792 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| Nemaska Lithium Inc. | 69 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Skyworks Solutions, Inc. | 3450 |
5 |
| Cabot Corporation | 575 |
4 |
| Calix Ltd | 86 |
4 |
| Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 164 |
4 |
| Nippon Sheet Glass Company, Limited | 992 |
4 |
| Sumitomo Osaka Cement Co., Ltd. | 783 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
3 |
| Board of Regents, The University of Texas System | 5370 |
3 |
| Asahi Glass Company, Limited | 2985 |
3 |
| Tsinghua University | 5426 |
3 |
| Beijing University of Chemical Technology | 287 |
3 |
| Other owners | 227 |