- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/695 - Silicon compounds
Patent holdings for IPC class A61K 31/695
Total number of patents in this class: 694
10-year publication summary
|
54
|
73
|
42
|
61
|
39
|
36
|
41
|
27
|
39
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biogen MA Inc. | 906 |
12 |
| Bristol-myers Squibb Company | 4867 |
11 |
| Case Western Reserve University | 1835 |
10 |
| Merck Sharp & Dohme LLC | 3760 |
9 |
| Amgen Inc. | 4106 |
8 |
| Ligand Pharmaceuticals Incorporated | 171 |
8 |
| Proteostasis Therapeutics, Inc. | 70 |
8 |
| Ube Industries, Ltd. | 838 |
8 |
| Takeda Pharmaceutical Company Limited | 2705 |
6 |
| Alastin Skincare, Inc. | 94 |
6 |
| Bio Minerals naamloze vennootschap | 70 |
6 |
| Council of Scientific & Industrial Research | 1436 |
6 |
| Rigel Pharmaceuticals, Inc. | 538 |
6 |
| The Procter & Gamble Company | 22000 |
5 |
| The Regents of the University of California | 20059 |
5 |
| Purdue Research Foundation | 3664 |
5 |
| Astellas Pharma Inc. | 1083 |
5 |
| Mitsubishi Tanabe Pharma Corporation | 581 |
5 |
| Navitor Pharmaceuticals, Inc. | 33 |
5 |
| Nippon Chemiphar Co., Ltd. | 227 |
5 |
| Other owners | 555 |