- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 47/18 - Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton
Patent holdings for IPC class C09B 47/18
Total number of patents in this class: 49
10-year publication summary
|
1
|
2
|
0
|
2
|
0
|
4
|
3
|
3
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
14 |
| Nippon Shokubai Co., Ltd. | 1487 |
3 |
| Toyo Ink SC Holdings Co., Ltd. | 505 |
3 |
| Samsung SDI Co., Ltd. | 6671 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| DNP Fine Chemicals Co., Ltd. | 162 |
2 |
| FUJIFILM Wako Pure Chemical Corporation | 158 |
2 |
| TCL China Star Optoelectronics Technology Co., Ltd. | 2368 |
2 |
| Yamamoto Chemicals, Inc. | 46 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| JSR Corporation | 2476 |
1 |
| Chemical Intelligence Limited | 11 |
1 |
| FUJIFILM Imaging Colorants Limited | 233 |
1 |
| Huntsman Advanced Materials (Switzerland) GmbH | 131 |
1 |
| Lanxess Deutschland GmbH | 1104 |
1 |
| Lintec Corporation | 1915 |
1 |
| Savid Therapeutics Inc. | 27 |
1 |
| The University of Tokyo | 3903 |
1 |
| Bruder, Friedrich-karl | 1 |
1 |
| Other owners | 6 |