- All sections
- A - Human necessities
- A24D - Cigarscigarettestobacco smoke filtersmouthpieces for cigars or cigarettesmanufacture of tobacco smoke filters or mouthpieces
- A24D 3/10 - Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
Patent holdings for IPC class A24D 3/10
Total number of patents in this class: 703
10-year publication summary
|
25
|
32
|
31
|
54
|
47
|
58
|
75
|
83
|
110
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 3121 |
160 |
| Philip Morris Products S.A. | 8157 |
71 |
| Kolon Industries, Inc. | 1835 |
70 |
| Nicoventures Trading Limited | 4690 |
38 |
| British American Tobacco (Investments) Limited | 1002 |
26 |
| Daicel Corporation | 2508 |
25 |
| Japan Tobacco Inc. | 3555 |
22 |
| delfortgroup AG | 156 |
20 |
| R.J. Reynolds Tobacco Company | 502 |
20 |
| Acetate International LLC | 61 |
19 |
| Eastman Chemical Company | 2081 |
18 |
| Filtrona Pte. Ltd. | 60 |
18 |
| JT International S.A. | 2866 |
13 |
| R. J. Reynolds Tobacco Company | 259 |
12 |
| Altria Client Services LLC | 2435 |
9 |
| SWM Holdco Luxembourg | 44 |
9 |
| Cqens Technologies Inc. | 41 |
8 |
| Boegli-Gravures S.A. | 125 |
7 |
| Rhodia Acetow GmbH | 31 |
7 |
| SWM Luxembourg | 80 |
7 |
| Other owners | 124 |