- All sections
- A - Human necessities
- A24D - Cigars; cigarettes; tobacco smoke filters; mouthpieces for cigars or cigarettes; manufacture 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: 438
10-year publication summary
|
37
|
23
|
25
|
32
|
31
|
54
|
47
|
58
|
70
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 1876 |
66 |
| Philip Morris Products S.A. | 6751 |
50 |
| British American Tobacco (Investments) Limited | 1032 |
26 |
| Daicel Corporation | 2128 |
25 |
| Japan Tobacco Inc. | 3225 |
18 |
| R.J. Reynolds Tobacco Company | 511 |
18 |
| Acetate International LLC | 63 |
18 |
| Nicoventures Trading Limited | 2898 |
18 |
| Eastman Chemical Company | 2239 |
16 |
| Kolon Industries, Inc. | 1506 |
16 |
| delfortgroup AG | 147 |
14 |
| R. J. Reynolds Tobacco Company | 264 |
12 |
| Essentra Filter Products Development Co. Pte. Ltd. | 77 |
10 |
| JT International S.A. | 2449 |
8 |
| SWM Luxembourg | 107 |
8 |
| Altria Client Services LLC | 1866 |
7 |
| Rhodia Acetow GmbH | 32 |
7 |
| Cqens Technologies Inc. | 31 |
6 |
| Celanese Acetate LLC | 81 |
5 |
| RAI Strategic Holdings, Inc. | 1026 |
5 |
| Other owners | 85 |