- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 19/10 - Coatings without pigments
Patent holdings for IPC class D21H 19/10
Total number of patents in this class: 229
10-year publication summary
|
25
|
27
|
14
|
18
|
14
|
15
|
16
|
13
|
19
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1632 |
25 |
| Daio Paper Corporation | 1384 |
10 |
| Daikin Industries, Ltd. | 9977 |
8 |
| Japan Tobacco Inc. | 3570 |
6 |
| Nippon Paper Industries Co., Ltd. | 827 |
6 |
| Hewlett-Packard Development Company, L.P. | 25933 |
5 |
| Fiberlean Technologies Limited | 114 |
5 |
| BASF SE | 20874 |
4 |
| Philip Morris Products S.A. | 7607 |
4 |
| Mitsubishi Paper Mills Limited | 233 |
4 |
| Miyoshi Oil & Fat Co., Ltd. | 99 |
4 |
| E. I. du Pont de Nemours and Company | 4107 |
3 |
| Kimberly-clark Worldwide, Inc. | 5502 |
3 |
| Kao Corporation | 4952 |
3 |
| Dow Global Technologies LLC | 10385 |
3 |
| Cascades Sonoco Inc. | 29 |
3 |
| Harima Chemicals, Inc. | 205 |
3 |
| Kuraray Co., Ltd. | 3496 |
3 |
| Mondi AG | 155 |
3 |
| DuPont Safety & Construction, Inc. | 674 |
3 |
| Other owners | 121 |