- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 11/00 - Diaryl- or triarylmethane dyes
Patent holdings for IPC class C09B 11/00
Total number of patents in this class: 75
10-year publication summary
|
6
|
15
|
10
|
2
|
0
|
1
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21870 |
13 |
| FUJIFILM Corporation | 30774 |
12 |
| Dai Nippon Printing Co., Ltd. | 4267 |
3 |
| Mitsubishi Chemical Corporation | 4757 |
3 |
| JSR Corporation | 2559 |
3 |
| F. Hoffmann-La Roche AG | 7792 |
2 |
| Yamamoto Chemicals, Inc. | 50 |
2 |
| Adeka Corporation | 1389 |
2 |
| Arkema Inc. | 1060 |
2 |
| DNP Fine Chemicals Co., Ltd. | 184 |
2 |
| Enzo Life Sciences, Inc. | 146 |
2 |
| Milliken & Company | 1143 |
2 |
| The University of Tokyo | 4395 |
2 |
| Roche Diagnostics GmbH | 2676 |
1 |
| Merck Patent GmbH | 5755 |
1 |
| Bayer Intellectual Property GmbH | 2351 |
1 |
| Konica Minolta Holdings, Inc. | 761 |
1 |
| Wako Pure Chemical Industries, Ltd. | 114 |
1 |
| DIC Corporation | 4000 |
1 |
| Hodogaya Chemical Co., Ltd. | 435 |
1 |
| Other owners | 18 |