- All sections
- A - Human necessities
- A61P - Specific therapeutic activity of chemical compounds or medicinal preparations
- A61P 21/04 - Drugs for disorders of the muscular or neuromuscular system for myasthenia gravis
Patent holdings for IPC class A61P 21/04
Total number of patents in this class: 548
10-year publication summary
|
15
|
25
|
28
|
33
|
46
|
41
|
55
|
44
|
33
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Takeda Pharmaceutical Company Limited | 2707 |
24 |
| Daiichi Sankyo Company, Limited | 1859 |
16 |
| Nippon Shinyaku Co., Ltd. | 332 |
15 |
| Alexion Pharmaceuticals, Inc. | 635 |
13 |
| National Center of Neurology and Psychiatry | 149 |
13 |
| NMD Pharma A/S | 38 |
13 |
| The University of Tokyo | 4162 |
11 |
| Eloxx Pharmaceuticals Ltd. | 18 |
11 |
| Osaka University | 3374 |
8 |
| Astellas Pharma Inc. | 1088 |
7 |
| Chugai Seiyaku Kabushiki Kaisha | 1343 |
7 |
| Scholar Rock, Inc. | 115 |
7 |
| Ono Pharmaceutical Co., Ltd. | 434 |
6 |
| Das-mg, Inc. | 6 |
6 |
| Alzprotect | 21 |
5 |
| KYORIN Pharmaceutical Co., Ltd. | 169 |
5 |
| National University Corporation Tokyo Medical and Dental University | 524 |
5 |
| Ra Pharmaceuticals, Inc. | 46 |
5 |
| Teijin Pharma Limited | 261 |
5 |
| Tokyo University of Pharmacy & Life Sciences | 37 |
5 |
| Other owners | 361 |