- 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: 394
10-year publication summary
|
21
|
17
|
16
|
20
|
28
|
38
|
36
|
37
|
50
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 3176 |
76 |
| Philip Morris Products S.A. | 8342 |
51 |
| Japan Tobacco Inc. | 3583 |
35 |
| Kolon Industries, Inc. | 1860 |
33 |
| British American Tobacco (Investments) Limited | 1001 |
16 |
| R.J. Reynolds Tobacco Company | 502 |
16 |
| JT International S.A. | 2923 |
15 |
| Philip Morris USA Inc. | 643 |
9 |
| delfortgroup AG | 159 |
9 |
| Nicoventures Trading Limited | 4876 |
9 |
| Sunsho Pharmaceutical Co., Ltd. | 55 |
8 |
| R. J. Reynolds Tobacco Company | 256 |
8 |
| Acetate International LLC | 64 |
8 |
| Eastman Chemical Company | 2109 |
7 |
| SWM Holdings US, LLC | 76 |
6 |
| SWM Luxembourg | 71 |
5 |
| Filtrona Pte. Ltd. | 63 |
4 |
| Bio-on S.p.A. | 55 |
3 |
| China Tobacco Hunan Industrial Co., Ltd. | 258 |
3 |
| China Tobacco Yunnan Industrial Co., Ltd. | 279 |
3 |
| Other owners | 70 |