- All sections
- C - Chemistrymetallurgy
- C09B - Organic dyes or closely-related compounds for producing dyesmordantslakes
- C09B 31/14 - Heterocyclic components
Patent holdings for IPC class C09B 31/14
Total number of patents in this class: 32
10-year publication summary
|
2
|
5
|
4
|
0
|
3
|
1
|
1
|
1
|
1
|
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 |
2 |
| Henkel AG & Co. KGaA | 10583 |
2 |
| Hodogaya Chemical Co., Ltd. | 436 |
2 |
| Samsung Electronics Co., Ltd. | 146811 |
1 |
| BASF SE | 20940 |
1 |
| Xerox Corporation | 7002 |
1 |
| Merck Patent GmbH | 5815 |
1 |
| Nitto Denko Corporation | 8253 |
1 |
| Amazon Technologies, Inc. | 26762 |
1 |
| Asahi Glass Company, Limited | 2772 |
1 |
| Mitsubishi Rayon Co., Ltd. | 907 |
1 |
| Mitsubishi Chemical Corporation | 4525 |
1 |
| Kaneka Corporation | 4534 |
1 |
| Bioneer Corporation | 239 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 371 |
1 |
| e Ink Corporation | 1501 |
1 |
| FUJIFILM Imaging Colorants Limited | 213 |
1 |
| JINTEX Corporation Ltd. | 3 |
1 |
| The Queen's University of Belfast | 262 |
1 |
| Other owners | 1 |