- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 9/54 - Sustained or differential release type containing discrete particles with coatings of different thicknesses or different materials
Patent holdings for IPC class A61K 9/54
Total number of patents in this class: 138
10-year publication summary
|
5
|
7
|
8
|
2
|
4
|
4
|
8
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Barclays Bank plc, AS Successor Agent | 169 |
8 |
| Shionogi Inc. | 26 |
4 |
| Procaps S.A., DBA PROCAPS | 7 |
4 |
| Diffucap Chemobras Quimica e Farmaceutica Ltda | 3 |
3 |
| Société des Produits Nestlé S.A. | 9245 |
2 |
| The Regents of the University of California | 19517 |
2 |
| Agency for Science, Technology and Research | 3561 |
2 |
| Alitair Pharmaceuticals, Inc. | 3 |
2 |
| Collegium Pharmaceutical, Inc. | 35 |
2 |
| Eatlittle Inc. | 9 |
2 |
| Flamel Technologies | 40 |
2 |
| Hanmi Pharm. Co., Ltd. | 552 |
2 |
| Jiangsu Hengyi Pharmaceutical Co., Ltd. | 186 |
2 |
| Kpt Ltd | 21 |
2 |
| Meda Pharmaceuticals Inc. | 42 |
2 |
| Siegfried Rhein S.A. de C.V. | 12 |
2 |
| Supernus Pharmaceuticals, Inc. | 132 |
2 |
| Wockhardt Limited | 229 |
2 |
| Xeno Biosciences Inc., DBA Xeno Biosciences | 9 |
2 |
| SpecGx LLC | 196 |
2 |
| Other owners | 87 |