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  • 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: 169

10-year publication summary

20
18
16
11
11
25
10
12
18
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mary Kay Inc.
1175
11
Allustra Technologies LLC
68
7
4Life Patents, LLC
22
4
ELC Management LLC
1061
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
15415
2
Guangdong Pharmaceutical University
69
2
Hebei Yiling Medicine Research Institute Co., Ltd.
23
2
Korea Food Research Institute
214
2
Robertet SA
88
2
Yale University
2368
2
Guangzhou University of Chinese Medicine
65
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 104

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