- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 19/58 - Dopants or charge transfer agents
Patent holdings for IPC class C09K 19/58
Total number of patents in this class: 305
10-year publication summary
37
|
34
|
34
|
32
|
25
|
27
|
24
|
23
|
21
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Merck Patent GmbH | 5909 |
77 |
FUJIFILM Corporation | 27102 |
23 |
SICPA Holding SA | 881 |
19 |
Kent State University | 247 |
18 |
Boe Technology Group Co., Ltd. | 35384 |
13 |
JNC Corporation | 1527 |
7 |
JNC Petrochemical Corporation | 425 |
7 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
6 |
Industrial Technology Research Institute | 4898 |
5 |
DIC Corporation | 3597 |
5 |
Ticona LLC | 547 |
5 |
Zymergen Inc. | 287 |
5 |
Shenzhen Guohua Optoelectronics Co., Ltd. | 100 |
5 |
META Platforms Technologies, LLC | 4806 |
5 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
4 |
Cambridge Enterprise Limited | 1096 |
4 |
Iris Optronics Co., Ltd. | 38 |
4 |
Red Bank Technologies LLC | 22 |
4 |
Beijing BOE Display Technology Co., Ltd. | 2497 |
3 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
3 |
Other owners | 83 |