- 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: 378
10-year publication summary
|
21
|
35
|
39
|
31
|
34
|
33
|
25
|
23
|
17
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30012 |
12 |
| LG Chem, Ltd. | 17726 |
11 |
| Dow Global Technologies LLC | 10681 |
11 |
| Bridgestone Corporation | 7215 |
8 |
| Canon Inc. | 41507 |
6 |
| Toray Industries, Inc. | 7016 |
6 |
| Sekisui Chemical Co., Ltd. | 3520 |
6 |
| Seiko Epson Corporation | 19786 |
5 |
| Henkel AG & Co. KGaA | 10678 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
5 |
| Ivoclar Vivadent AG | 1051 |
5 |
| Nissan Chemical Industries, Ltd. | 1688 |
5 |
| Mitsui Chemicals, Inc. | 3235 |
4 |
| SABIC Global Technologies B.V. | 4442 |
4 |
| Samsung Electronics Co., Ltd. | 150751 |
3 |
| Samsung Display Co., Ltd. | 37068 |
3 |
| Industrial Technology Research Institute | 5062 |
3 |
| Konica Minolta, Inc. | 8956 |
3 |
| DSM IP Assets B.V. | 5478 |
3 |
| Arkema France | 4166 |
3 |
| Other owners | 267 |