- All sections
- C - Chemistry; metallurgy
- 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: 707
10-year publication summary
|
35
|
39
|
59
|
49
|
41
|
42
|
24
|
31
|
29
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tronox LLC | 177 |
15 |
| Toshiba Corporation | 12017 |
12 |
| Ishihara Sangyo Kaisha, Ltd. | 663 |
11 |
| E. I. du Pont de Nemours and Company | 4345 |
10 |
| Kronos International, Inc. | 105 |
9 |
| The Chemours Company Fc, LLC | 1107 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Sakai Chemical Industry Co., Ltd. | 266 |
7 |
| HHeLi, LLC | 62 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
| The Regents of the University of California | 18943 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| The Board of Trustees of the University of Illinois | 2623 |
5 |
| BHP Billiton Innovation Pty Ltd. | 29 |
5 |
| Italcementi S.p.A. | 83 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| NGK Insulators, Ltd. | 4589 |
4 |
| Cristal USA Inc. | 15 |
4 |
| Innovnano-materiais Avancados, S.A. | 9 |
4 |
| Other owners | 568 |