- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 47/24 - Obtaining compounds having —COOH or —SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
Patent holdings for IPC class C09B 47/24
Total number of patents in this class: 44
10-year publication summary
|
0
|
3
|
3
|
8
|
4
|
0
|
2
|
1
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30653 |
7 |
| DIC Corporation | 3992 |
5 |
| Hewlett-Packard Development Company, L.P. | 25148 |
3 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 380 |
3 |
| Seiko Epson Corporation | 20406 |
2 |
| Nippon Kayaku Kabushiki Kaisha | 1471 |
2 |
| Sun Chemical Corporation | 807 |
2 |
| Toyo Ink SC Holdings Co., Ltd. | 462 |
2 |
| Canon Inc. | 44222 |
1 |
| Panasonic Corporation | 18751 |
1 |
| Sumitomo Chemical Company, Limited | 8967 |
1 |
| Mitsubishi Chemical Corporation | 4742 |
1 |
| Silverbrook Research Pty Ltd | 97 |
1 |
| Covestro Deutschland AG | 2852 |
1 |
| Dalian University of Technology | 1606 |
1 |
| Dexerials Corporation | 2005 |
1 |
| e Ink Corporation | 1558 |
1 |
| FUJIFILM Imaging Colorants Limited | 192 |
1 |
| Mikuni Shikiso Kabushiki Kaisha | 31 |
1 |
| Ninestar Management Co., Ltd. | 29 |
1 |
| Other owners | 6 |