- 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: 1325
10-year publication summary
106
|
95
|
90
|
115
|
129
|
102
|
92
|
81
|
89
|
69
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 28402 |
164 |
Merck Patent GmbH | 5850 |
80 |
Idemitsu Kosan Co., Ltd. | 4106 |
55 |
UDC Ireland Limited | 489 |
34 |
Agc, Inc. | 4366 |
34 |
LG Chem, Ltd. | 17593 |
24 |
Universal Display Corporation | 1795 |
23 |
Samsung Display Co., Ltd. | 32508 |
19 |
Samsung SDI Co., Ltd. | 7232 |
19 |
Clap Co., Ltd. | 87 |
18 |
Samsung Electronics Co., Ltd. | 137729 |
17 |
Cheil Industries Inc. | 924 |
16 |
Nitto Denko Corporation | 8045 |
16 |
Toray Industries, Inc. | 6822 |
16 |
Sirigen II Limited | 29 |
15 |
BASF SE | 20304 |
14 |
The University of Tokyo | 4040 |
14 |
Sony Corporation | 31643 |
12 |
Toyo Ink SC Holdings Co., Ltd. | 491 |
11 |
Crius Technology Group, Inc. | 20 |
11 |
Other owners | 713 |