- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/23 - Azo-compounds
Patent holdings for IPC class C08K 5/23
Total number of patents in this class: 385
10-year publication summary
|
21
|
36
|
41
|
31
|
35
|
34
|
26
|
23
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17937 |
12 |
| FUJIFILM Corporation | 30543 |
12 |
| Dow Global Technologies LLC | 10968 |
11 |
| Bridgestone Corporation | 7266 |
8 |
| Canon Inc. | 43941 |
6 |
| Toray Industries, Inc. | 7116 |
6 |
| Sekisui Chemical Co., Ltd. | 3623 |
6 |
| Seiko Epson Corporation | 20288 |
5 |
| Henkel AG & Co. KGaA | 10767 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 379 |
5 |
| Ivoclar Vivadent AG | 1046 |
5 |
| Nissan Chemical Industries, Ltd. | 1643 |
5 |
| Mitsui Chemicals, Inc. | 3253 |
4 |
| Arkema France | 4246 |
4 |
| Knauf Insulation SPRL | 169 |
4 |
| SABIC Global Technologies B.V. | 4605 |
4 |
| Samsung Electronics Co., Ltd. | 158156 |
3 |
| Samsung Display Co., Ltd. | 38721 |
3 |
| Industrial Technology Research Institute | 5205 |
3 |
| Konica Minolta, Inc. | 9134 |
3 |
| Other owners | 271 |