- 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: 506
10-year publication summary
|
26
|
41
|
37
|
19
|
29
|
28
|
17
|
22
|
17
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ishihara Sangyo Kaisha, Ltd. | 668 |
15 |
| The University of Tokyo | 4285 |
14 |
| National Institute of Advanced Industrial Science and Technology | 3800 |
12 |
| Denka Company Limited | 2676 |
10 |
| Sakai Chemical Industry Co., Ltd. | 275 |
10 |
| The Regents of the University of California | 20355 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
9 |
| Sumitomo Chemical Company, Limited | 9039 |
9 |
| HHeLi, LLC | 73 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5842 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10977 |
6 |
| M. Technique Co., Ltd. | 251 |
6 |
| Rohm and Haas Company | 2943 |
5 |
| Kubota Corporation | 4145 |
5 |
| Sumitomo Osaka Cement Co., Ltd. | 879 |
5 |
| NGK Insulators, Ltd. | 5192 |
4 |
| Kao Corporation | 5028 |
4 |
| Asahi Glass Company, Limited | 2710 |
4 |
| Drexel University | 1013 |
4 |
| Kateeva, Inc. | 395 |
4 |
| Other owners | 356 |