- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 23/04 - OxidesHydroxides
Patent holdings for IPC class C01G 23/04
Total number of patents in this class: 501
10-year publication summary
|
27
|
43
|
38
|
21
|
36
|
31
|
19
|
23
|
18
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The University of Tokyo | 4403 |
14 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
12 |
| Ishihara Sangyo Kaisha, Ltd. | 661 |
12 |
| Denka Company Limited | 2778 |
10 |
| Sakai Chemical Industry Co., Ltd. | 288 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
9 |
| Sumitomo Chemical Company, Limited | 8992 |
9 |
| HHeLi, LLC | 77 |
9 |
| The Regents of the University of California | 20960 |
8 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
6 |
| M. Technique Co., Ltd. | 253 |
6 |
| Drexel University | 999 |
5 |
| Kubota Corporation | 4444 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 919 |
5 |
| NGK Insulators, Ltd. | 5168 |
4 |
| Kao Corporation | 5112 |
4 |
| Rohm and Haas Company | 2942 |
4 |
| Asahi Glass Company, Limited | 2586 |
4 |
| Kateeva, Inc. | 397 |
4 |
| Other owners | 355 |