- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 36/704 - Polygonum, e.g. knotweed
Patent holdings for IPC class A61K 36/704
Total number of patents in this class: 170
10-year publication summary
|
19
|
17
|
16
|
11
|
11
|
24
|
10
|
12
|
18
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mary Kay Inc. | 1164 |
11 |
| Allustra Technologies LLC | 74 |
7 |
| 4Life Patents, LLC | 22 |
4 |
| ELC Management LLC | 1080 |
4 |
| Photodynamic Inc. | 17 |
4 |
| E-techno Information Technologies Co., Ltd. | 249 |
3 |
| Novmetapharma Co., Ltd. | 73 |
3 |
| Shandong Buchang Pharmaceuticals Co., Ltd. | 13 |
3 |
| Anycheck Information Technologies Co. Ltd. | 392 |
3 |
| Guizhou Weimen Pharmaceutical Co., Ltd | 3 |
3 |
| L'OREAL, Société Anonyme | 15613 |
2 |
| Guangdong Pharmaceutical University | 70 |
2 |
| Hebei Yiling Medicine Research Institute Co., Ltd. | 23 |
2 |
| Korea Food Research Institute | 214 |
2 |
| Robertet SA | 88 |
2 |
| Yale University | 2400 |
2 |
| Guangzhou University of Chinese Medicine | 67 |
2 |
| Conpower Energieanlagen GmbH & Co. KG | 14 |
2 |
| Medcina Group Pty Ltd | 5 |
2 |
| Tsing Hua de REN Xi'an Happiness Pharmaceutical Co., Ltd | 7 |
2 |
| Other owners | 105 |