- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 67/44 - Solutions
Patent holdings for IPC class C09B 67/44
Total number of patents in this class: 181
10-year publication summary
|
20
|
21
|
8
|
11
|
12
|
10
|
7
|
8
|
8
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
61 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
16 |
| Archroma IP GmbH | 460 |
7 |
| Canon Kabushiki Kaisha | 6884 |
7 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Kyowa Medex Co., Ltd. | 102 |
4 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
4 |
| Beckman Coulter, Inc. | 1183 |
3 |
| San-ei Gen F.f.i., Inc. | 149 |
3 |
| Conopco, Inc. | 4644 |
2 |
| BASF SE | 19740 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Dai Nippon Printing Co., Ltd. | 3891 |
2 |
| DIC Corporation | 3597 |
2 |
| DyStar Colours Distribution GmbH | 172 |
2 |
| Ecole Normale Superieure de Lyon | 220 |
2 |
| Milliken & Company | 1253 |
2 |
| National University Corporation Kochi University | 96 |
2 |
| Universite Claude Bernard Lyon 1 | 921 |
2 |
| Molsid | 7 |
2 |
| Other owners | 49 |