- 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: 376
10-year publication summary
|
24
|
21
|
35
|
39
|
31
|
34
|
33
|
25
|
23
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29437 |
12 |
| LG Chem, Ltd. | 17635 |
11 |
| Dow Global Technologies LLC | 10360 |
11 |
| Bridgestone Corporation | 7235 |
8 |
| Canon Inc. | 40095 |
6 |
| Toray Industries, Inc. | 6950 |
6 |
| Sekisui Chemical Co., Ltd. | 3433 |
6 |
| Seiko Epson Corporation | 19398 |
5 |
| Henkel AG & Co. KGaA | 10583 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
5 |
| Ivoclar Vivadent AG | 1053 |
5 |
| Nissan Chemical Industries, Ltd. | 1711 |
5 |
| Mitsui Chemicals, Inc. | 3222 |
4 |
| SABIC Global Technologies B.V. | 4351 |
4 |
| Samsung Electronics Co., Ltd. | 146811 |
3 |
| Industrial Technology Research Institute | 5081 |
3 |
| Samsung SDI Co., Ltd. | 8385 |
3 |
| DSM IP Assets B.V. | 5585 |
3 |
| Arkema France | 4154 |
3 |
| Ciba Holding Inc. | 177 |
3 |
| Other owners | 265 |