- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 5/14 - Benz-azabenzanthrones (anthrapyridones)
Patent holdings for IPC class C09B 5/14
Total number of patents in this class: 57
10-year publication summary
|
1
|
3
|
3
|
1
|
1
|
0
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1435 |
18 |
| Dalian University of Technology | 1521 |
8 |
| FUJIFILM Corporation | 29437 |
7 |
| Zhuhai Ninestar Management Co., Ltd. | 142 |
4 |
| Canon Kabushiki Kaisha | 7067 |
3 |
| Seiko Epson Corporation | 19398 |
2 |
| Oce-Technologies B.V. | 458 |
2 |
| Lotte Advanced Materials Co., Ltd. | 405 |
2 |
| Special Chemicals Co., Ltd. Dalian Firstar | 2 |
2 |
| Samsung SDI Co., Ltd. | 8385 |
1 |
| Bundesdruckerei GmbH | 1004 |
1 |
| Covestro Deutschland AG | 2760 |
1 |
| Dalian Chromas Bioscience Co., Ltd. | 10 |
1 |
| Kuantag Nanoteknolojiler Gelistirme ve Uretim A.S. | 14 |
1 |
| Ninestar Management Co., Ltd. | 29 |
1 |
| Toyo Ink SC Holdings Co., Ltd. | 464 |
1 |
| Toyocolor Co., Ltd. | 220 |
1 |
| DFI CHEM GmbH | 2 |
1 |
| Other owners | 0 |