- All sections
- A - Human necessities
- A24D - Cigars; cigarettes; tobacco smoke filters; mouthpieces for cigars or cigarettes; manufacture of tobacco smoke filters or mouthpieces
- A24D 3/14 - 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: 290
10-year publication summary
|
23
|
14
|
21
|
17
|
16
|
19
|
28
|
38
|
36
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Japan Tobacco Inc. | 3225 |
40 |
| Philip Morris Products S.A. | 6751 |
36 |
| KT & G Corporation | 1876 |
23 |
| British American Tobacco (Investments) Limited | 1032 |
16 |
| R.J. Reynolds Tobacco Company | 511 |
16 |
| Philip Morris USA Inc. | 744 |
12 |
| JT International S.A. | 2449 |
9 |
| R. J. Reynolds Tobacco Company | 264 |
9 |
| Acetate International LLC | 63 |
9 |
| Sunsho Pharmaceutical Co., Ltd. | 38 |
7 |
| Eastman Chemical Company | 2239 |
6 |
| delfortgroup AG | 147 |
5 |
| Kolon Industries, Inc. | 1506 |
5 |
| Essentra Filter Products Development Co. Pte. Ltd. | 77 |
5 |
| SWM Luxembourg | 107 |
5 |
| Nicoventures Trading Limited | 2898 |
5 |
| Biohit Oyj | 46 |
4 |
| Bio-on S.p.A. | 56 |
3 |
| China Tobacco Hunan Industrial Co., Ltd. | 255 |
3 |
| China Tobacco Yunnan Industrial Co., Ltd. | 215 |
3 |
| Other owners | 69 |