- All sections
- B - Performing operations; transporting
- B41M - Printing, duplicating, marking, or copying processes; colour printing
- B41M 5/323 - Organic colour formers, e.g. leuco dyes
Patent holdings for IPC class B41M 5/323
Total number of patents in this class: 182
10-year publication summary
|
14
|
23
|
15
|
24
|
14
|
25
|
24
|
17
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agfa-Gevaert | 282 |
21 |
| Sony Corporation | 32931 |
14 |
| Mitsubishi HiTec Paper Europe GmbH | 71 |
12 |
| Oji Holdings Corporation | 660 |
11 |
| Nippon Paper Industries Co., Ltd. | 782 |
10 |
| Agfa NV | 642 |
10 |
| Ricoh Company, Ltd. | 13266 |
7 |
| Datalase Ltd. | 115 |
7 |
| Sony Group Corporation | 10730 |
7 |
| Segan Industries, Inc. | 31 |
5 |
| Hewlett-Packard Development Company, L.P. | 28538 |
4 |
| Papierfabrik August Koehler SE | 47 |
4 |
| Zebra Technologies Corporation | 1689 |
4 |
| Appvion, LLC | 64 |
4 |
| Mitsubishi Chemical Corporation | 4313 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Illinois Tool Works Inc. | 11152 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Yamamoto Chemicals, Inc. | 46 |
2 |
| Avery Dennison Retail Information Services LLC | 1067 |
2 |
| Other owners | 49 |