- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 23/047 - Titanium dioxide
Patent holdings for IPC class C01G 23/047
Total number of patents in this class: 677
10-year publication summary
|
56
|
45
|
37
|
38
|
22
|
31
|
28
|
28
|
20
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12546 |
12 |
| Tronox LLC | 156 |
12 |
| Ishihara Sangyo Kaisha, Ltd. | 669 |
10 |
| Samsung Electronics Co., Ltd. | 151726 |
8 |
| E. I. du Pont de Nemours and Company | 3762 |
8 |
| Kronos International, Inc. | 113 |
8 |
| HHeLi, LLC | 73 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
7 |
| The Chemours Company Fc, LLC | 1297 |
7 |
| LG Chem, Ltd. | 17745 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10971 |
6 |
| Sakai Chemical Industry Co., Ltd. | 275 |
6 |
| The Regents of the University of California | 20410 |
5 |
| DIC Corporation | 3891 |
5 |
| FUJIFILM Corporation | 30063 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 5764 |
4 |
| NGK Insulators, Ltd. | 5205 |
4 |
| Cristal USA Inc. | 15 |
4 |
| Drexel University | 1018 |
4 |
| Innovnano-materiais Avancados, S.A. | 9 |
4 |
| Other owners | 545 |