- 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: 77
10-year publication summary
|
4
|
1
|
6
|
6
|
8
|
11
|
9
|
7
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yokogawa Electric Corporation | 1739 |
12 |
| Toyo Seikan Group Holdings, Ltd. | 833 |
9 |
| Marusumi Paper Co., Ltd. | 9 |
6 |
| Dai-Ichi Kogyo Seiyaku Co., Ltd. | 229 |
4 |
| Asahi Kasei Fibers Corporation | 99 |
3 |
| Case Western Reserve University | 1812 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1770 |
3 |
| National University Corporation Ehime University | 120 |
3 |
| DKS Co. Ltd. | 187 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4934 |
2 |
| Chisso Corporation | 64 |
2 |
| FPInnovations | 245 |
2 |
| Nippon Paper Industries Co., Ltd. | 829 |
2 |
| Oji Holdings Corporation | 717 |
2 |
| The University of Tokyo | 4168 |
2 |
| Betulium Oy | 17 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6107 |
2 |
| The Procter & Gamble Company | 22037 |
1 |
| The Regents of the University of California | 19868 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6402 |
1 |
| Other owners | 12 |