- 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: 272
10-year publication summary
|
19
|
28
|
19
|
18
|
21
|
20
|
15
|
12
|
6
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2603 |
59 |
| Eastman Chemical Company | 2109 |
43 |
| Tricoya Technologies Ltd | 35 |
13 |
| Nippon Paper Industries Co., Ltd. | 857 |
8 |
| Titan Wood Limited | 60 |
8 |
| National University Corporation Kanazawa University | 264 |
7 |
| Celanese Acetate LLC | 67 |
6 |
| National University Corporation Hokkaido University | 1386 |
5 |
| FUJIFILM Business Innovation Corp. | 8108 |
5 |
| FUJIFILM Corporation | 30849 |
4 |
| Olympus Corporation | 12897 |
4 |
| Celanese International Corporation | 884 |
4 |
| JNC Corporation | 1555 |
4 |
| Kyoto University | 2957 |
4 |
| Solvay Acetow GmbH | 25 |
4 |
| Konica Minolta, Inc. | 9208 |
3 |
| Daicel Chemical Industries, Ltd. | 176 |
3 |
| Melodea Ltd. | 22 |
3 |
| Ultra Small Fibers, LLC | 23 |
3 |
| Virginia Tech Intellectual Properties, Inc. | 984 |
3 |
| Other owners | 79 |