- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/06 - Cellulose acetate
Patent holdings for IPC class C08B 3/06
Total number of patents in this class: 262
10-year publication summary
|
22
|
15
|
28
|
19
|
18
|
20
|
19
|
15
|
11
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2375 |
57 |
| Eastman Chemical Company | 2212 |
39 |
| Tricoya Technologies Ltd | 40 |
14 |
| Nippon Paper Industries Co., Ltd. | 833 |
8 |
| National University Corporation Kanazawa University | 243 |
7 |
| Celanese Acetate LLC | 69 |
6 |
| Titan Wood Limited | 61 |
6 |
| National University Corporation Hokkaido University | 1345 |
5 |
| FUJIFILM Business Innovation Corp. | 7637 |
5 |
| FUJIFILM Corporation | 29543 |
4 |
| Olympus Corporation | 13151 |
4 |
| Celanese International Corporation | 909 |
4 |
| Daicel Chemical Industries, Ltd. | 223 |
4 |
| Kyoto University | 2809 |
4 |
| Melodea Ltd. | 24 |
4 |
| Solvay Acetow GmbH | 26 |
4 |
| Konica Minolta, Inc. | 8784 |
3 |
| JNC Corporation | 1563 |
3 |
| Ultra Small Fibers, LLC | 23 |
3 |
| Farmakeio AR LLC | 4 |
3 |
| Other owners | 75 |