- All sections
- B - Performing operationstransporting
- B41M - Printing, duplicating, marking, or copying processescolour printing
- B41M 5/333 - Colour developing components therefor, e.g. acidic compounds
Patent holdings for IPC class B41M 5/333
Total number of patents in this class: 360
10-year publication summary
|
21
|
32
|
20
|
22
|
28
|
29
|
23
|
31
|
21
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Paper Industries Co., Ltd. | 849 |
34 |
| Mitsubishi HiTec Paper Europe GmbH | 66 |
26 |
| Nippon Soda Co., Ltd. | 884 |
26 |
| Oji Holdings Corporation | 797 |
22 |
| Papierfabrik August Koehler SE | 40 |
21 |
| Ricoh Company, Ltd. | 13342 |
15 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
14 |
| Mitsubishi Chemical Corporation | 4724 |
13 |
| Sony Group Corporation | 15642 |
13 |
| Appvion, LLC | 64 |
13 |
| Agfa-Gevaert | 299 |
10 |
| Datalase Ltd. | 106 |
10 |
| Osaka Sealing Printing Co., Ltd. | 54 |
9 |
| Sanko Co., Ltd. | 50 |
9 |
| Sony Corporation | 30181 |
7 |
| Nicca Chemical Co., Ltd. | 145 |
7 |
| Segan Industries, Inc. | 29 |
7 |
| Agfa NV | 668 |
7 |
| Koehler Innovation & Technology GmbH | 56 |
5 |
| FUJIFILM Corporation | 30514 |
4 |
| Other owners | 88 |