- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 67/50 - Crystalline modifications of pigments or dyestuff of phthalocyanines
Patent holdings for IPC class C09B 67/50
Total number of patents in this class: 51
10-year publication summary
|
6
|
3
|
1
|
3
|
1
|
0
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sun Chemical Corporation | 817 |
6 |
| DIC Corporation | 3924 |
5 |
| M. Technique Co., Ltd. | 252 |
5 |
| Canon Inc. | 42633 |
4 |
| Solvay SA | 956 |
4 |
| FUJIFILM Corporation | 30327 |
3 |
| Eastman Kodak Company | 2652 |
3 |
| Global OLED Technology LLC | 456 |
3 |
| Samsung SDI Co., Ltd. | 10194 |
2 |
| Mitsubishi Chemical Corporation | 4665 |
2 |
| Peking University | 1423 |
2 |
| Mitsubishi Rayon Co., Ltd. | 861 |
1 |
| Advanced Ceramics Manufacturing, LLC | 8 |
1 |
| Chi MEI Corporation | 80 |
1 |
| Ciba Holding Inc. | 95 |
1 |
| Clariant Finance (BVI) Limited | 371 |
1 |
| Cleanvolt Energy, Inc. | 6 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 370 |
1 |
| Holland Colours N.V. | 34 |
1 |
| Sun Chemical B.V. | 382 |
1 |
| Other owners | 3 |