- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 11/26 - Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
Patent holdings for IPC class C09B 11/26
Total number of patents in this class: 50
10-year publication summary
|
5
|
2
|
6
|
8
|
4
|
5
|
1
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29437 |
9 |
| Sumitomo Chemical Company, Limited | 9043 |
4 |
| Sony Group Corporation | 13918 |
4 |
| The Procter & Gamble Company | 22043 |
3 |
| Sony Corporation | 31025 |
3 |
| Centre National de La Recherche Scientifique | 10464 |
3 |
| Mitsubishi Chemical Corporation | 4525 |
3 |
| Life Technologies Corporation | 3306 |
2 |
| Milliken & Company | 1194 |
2 |
| The University of Tokyo | 4189 |
2 |
| Konica Minolta Holdings, Inc. | 918 |
1 |
| Yamamoto Chemicals, Inc. | 50 |
1 |
| Chromatic Technologies, Inc. | 72 |
1 |
| Council of Scientific & Industrial Research | 1427 |
1 |
| DIC Corporation | 3801 |
1 |
| DONGWOO FINE-CHEM Co., Ltd. | 1344 |
1 |
| MIE University | 180 |
1 |
| The Pilot Ink Co., Ltd. | 89 |
1 |
| Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences | 64 |
1 |
| Thermographic Measurements Limited | 43 |
1 |
| Other owners | 5 |