- 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
|
59
|
49
|
41
|
42
|
24
|
31
|
30
|
28
|
20
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12754 |
12 |
| Tronox LLC | 144 |
10 |
| Samsung Electronics Co., Ltd. | 159755 |
8 |
| E. I. du Pont de Nemours and Company | 3430 |
8 |
| The Chemours Company Fc, LLC | 1360 |
8 |
| HHeLi, LLC | 78 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
7 |
| DIC Corporation | 4008 |
7 |
| Kronos International, Inc. | 115 |
7 |
| LG Chem, Ltd. | 17997 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
6 |
| Ishihara Sangyo Kaisha, Ltd. | 659 |
6 |
| Sakai Chemical Industry Co., Ltd. | 288 |
6 |
| The Regents of the University of California | 20987 |
5 |
| Drexel University | 1000 |
5 |
| FUJIFILM Corporation | 30849 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 6196 |
4 |
| NGK Insulators, Ltd. | 5169 |
4 |
| Cristal USA Inc. | 15 |
4 |
| Italcementi S.p.A. | 62 |
4 |
| Other owners | 548 |