- All sections
- A - Human necessities
- A24D - Cigarscigarettestobacco smoke filtersmouthpieces for cigars or cigarettesmanufacture of tobacco smoke filters or mouthpieces
- A24D 3/14 - Use of materials for tobacco smoke filters of organic materials as additive
Patent holdings for IPC class A24D 3/14
Total number of patents in this class: 343
10-year publication summary
|
14
|
21
|
17
|
16
|
20
|
28
|
38
|
36
|
36
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 2615 |
46 |
| Philip Morris Products S.A. | 7627 |
44 |
| Japan Tobacco Inc. | 3580 |
36 |
| Kolon Industries, Inc. | 1671 |
18 |
| British American Tobacco (Investments) Limited | 1028 |
16 |
| R.J. Reynolds Tobacco Company | 502 |
16 |
| Philip Morris USA Inc. | 703 |
13 |
| JT International S.A. | 2712 |
11 |
| R. J. Reynolds Tobacco Company | 267 |
9 |
| Acetate International LLC | 63 |
9 |
| Nicoventures Trading Limited | 3870 |
9 |
| delfortgroup AG | 150 |
8 |
| Sunsho Pharmaceutical Co., Ltd. | 48 |
8 |
| Eastman Chemical Company | 2216 |
5 |
| SWM Luxembourg | 85 |
5 |
| Filtrona Pte. Ltd. | 48 |
4 |
| Bio-on S.p.A. | 54 |
3 |
| Biohit Oyj | 46 |
3 |
| China Tobacco Hunan Industrial Co., Ltd. | 255 |
3 |
| China Tobacco Yunnan Industrial Co., Ltd. | 250 |
3 |
| Other owners | 74 |