- 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: 594
10-year publication summary
|
22
|
25
|
30
|
31
|
50
|
43
|
50
|
70
|
81
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KT & G Corporation | 2636 |
120 |
| Philip Morris Products S.A. | 7670 |
59 |
| Kolon Industries, Inc. | 1691 |
48 |
| Nicoventures Trading Limited | 3973 |
37 |
| British American Tobacco (Investments) Limited | 1026 |
26 |
| Daicel Corporation | 2370 |
24 |
| R.J. Reynolds Tobacco Company | 503 |
20 |
| delfortgroup AG | 151 |
18 |
| Japan Tobacco Inc. | 3600 |
18 |
| Acetate International LLC | 63 |
18 |
| Eastman Chemical Company | 2218 |
17 |
| Filtrona Pte. Ltd. | 49 |
14 |
| R. J. Reynolds Tobacco Company | 266 |
12 |
| JT International S.A. | 2745 |
10 |
| Altria Client Services LLC | 2206 |
7 |
| Rhodia Acetow GmbH | 32 |
7 |
| SWM Luxembourg | 85 |
7 |
| Cerdia International GmbH | 40 |
7 |
| Cqens Technologies Inc. | 35 |
7 |
| China Tobacco Yunnan Industrial Co., Ltd. | 252 |
6 |
| Other owners | 112 |