- 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: 382
10-year publication summary
|
21
|
35
|
39
|
31
|
34
|
34
|
25
|
23
|
17
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30244 |
12 |
| LG Chem, Ltd. | 17822 |
11 |
| Dow Global Technologies LLC | 10770 |
11 |
| Bridgestone Corporation | 7234 |
8 |
| Canon Inc. | 42303 |
6 |
| Toray Industries, Inc. | 7038 |
6 |
| Sekisui Chemical Co., Ltd. | 3581 |
6 |
| Seiko Epson Corporation | 20013 |
5 |
| Henkel AG & Co. KGaA | 10715 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 369 |
5 |
| Ivoclar Vivadent AG | 1046 |
5 |
| Nissan Chemical Industries, Ltd. | 1666 |
5 |
| Mitsui Chemicals, Inc. | 3217 |
4 |
| Arkema France | 4181 |
4 |
| Knauf Insulation SPRL | 175 |
4 |
| SABIC Global Technologies B.V. | 4487 |
4 |
| Samsung Electronics Co., Ltd. | 153845 |
3 |
| Samsung Display Co., Ltd. | 37860 |
3 |
| Industrial Technology Research Institute | 5077 |
3 |
| Konica Minolta, Inc. | 9026 |
3 |
| Other owners | 269 |