- 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
|
37
|
56
|
45
|
37
|
38
|
22
|
31
|
28
|
28
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12546 |
12 |
| Tronox LLC | 158 |
12 |
| Ishihara Sangyo Kaisha, Ltd. | 666 |
10 |
| Samsung Electronics Co., Ltd. | 149582 |
8 |
| E. I. du Pont de Nemours and Company | 3829 |
8 |
| Kronos International, Inc. | 114 |
8 |
| HHeLi, LLC | 72 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 32590 |
7 |
| The Chemours Company Fc, LLC | 1274 |
7 |
| LG Chem, Ltd. | 17704 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10966 |
6 |
| Sakai Chemical Industry Co., Ltd. | 274 |
6 |
| The Regents of the University of California | 20296 |
5 |
| DIC Corporation | 3863 |
5 |
| FUJIFILM Corporation | 29871 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 5714 |
4 |
| NGK Insulators, Ltd. | 5154 |
4 |
| The Board of Trustees of the University of Illinois | 2728 |
4 |
| Cristal USA Inc. | 15 |
4 |
| Drexel University | 1009 |
4 |
| Other owners | 545 |