- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 5/14 - Cellulose sulfate
Patent holdings for IPC class C08B 5/14
Total number of patents in this class: 80
10-year publication summary
|
4
|
1
|
4
|
5
|
5
|
9
|
8
|
7
|
4
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yokogawa Electric Corporation | 1808 |
12 |
| Toyo Seikan Group Holdings, Ltd. | 847 |
10 |
| Marusumi Paper Co., Ltd. | 9 |
6 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 229 |
4 |
| Asahi Kasei Fibers Corporation | 99 |
3 |
| Case Western Reserve University | 1841 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1788 |
3 |
| National University Corporation Ehime University | 125 |
3 |
| Oji Holdings Corporation | 732 |
3 |
| DKS Co. Ltd. | 202 |
3 |
| The Regents of the University of California | 20137 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5015 |
2 |
| Chisso Corporation | 62 |
2 |
| FPInnovations | 240 |
2 |
| Nippon Paper Industries Co., Ltd. | 835 |
2 |
| The University of Tokyo | 4224 |
2 |
| Betulium Oy | 16 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6121 |
2 |
| The Procter & Gamble Company | 22003 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6487 |
1 |
| Other owners | 12 |