- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 25/02 - Oxides
Patent holdings for IPC class C01G 25/02
Total number of patents in this class: 685
10-year publication summary
|
34
|
43
|
49
|
56
|
34
|
39
|
52
|
53
|
41
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 170 |
32 |
| Rhodia Operations | 1587 |
28 |
| 3m Innovative Properties Company | 17853 |
20 |
| Kuraray Noritake Dental Inc. | 430 |
18 |
| Tosoh Corporation | 1278 |
18 |
| Sumitomo Osaka Cement Co., Ltd. | 843 |
15 |
| Magnesium Elektron Limited | 90 |
13 |
| HHeLi, LLC | 68 |
13 |
| Sakai Chemical Industry Co., Ltd. | 275 |
11 |
| NGK Insulators, Ltd. | 4943 |
10 |
| Corning Incorporated | 10252 |
9 |
| Nippon Shokubai Co., Ltd. | 1507 |
9 |
| Essilor International (compagnie Generale D'optique) | 2999 |
8 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
8 |
| Shandong Sinocera Functional Material Co., Ltd. | 42 |
7 |
| Ivoclar Vivadent AG | 1048 |
6 |
| Saint-Gobain Ceramics & Plastics, Inc. | 839 |
6 |
| BASF SE | 20874 |
5 |
| Evonik Degussa GmbH | 1537 |
5 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
5 |
| Other owners | 439 |