- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 57/00 - Other synthetic dyes of known constitution
Patent holdings for IPC class C09B 57/00
Total number of patents in this class: 1297
10-year publication summary
|
106
|
95
|
90
|
115
|
126
|
102
|
93
|
81
|
89
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
155 |
| Merck Patent GmbH | 5909 |
81 |
| Idemitsu Kosan Co., Ltd. | 3995 |
54 |
| UDC Ireland Limited | 496 |
34 |
| Agc, Inc. | 4029 |
34 |
| LG Chem, Ltd. | 17205 |
24 |
| Universal Display Corporation | 1678 |
23 |
| Samsung Display Co., Ltd. | 30585 |
18 |
| Clap Co., Ltd. | 86 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Samsung SDI Co., Ltd. | 6671 |
17 |
| Cheil Industries Inc. | 944 |
16 |
| Nitto Denko Corporation | 7879 |
16 |
| Toray Industries, Inc. | 6652 |
16 |
| BASF SE | 19740 |
15 |
| Sirigen II Limited | 28 |
14 |
| The University of Tokyo | 3903 |
14 |
| Sony Corporation | 32931 |
12 |
| Sumitomo Chemical Company, Limited | 8808 |
11 |
| Toyo Ink SC Holdings Co., Ltd. | 505 |
11 |
| Other owners | 697 |