Toei Shinyaku Obtains Japanese Patent Based on Human Clinical Research on Agaricus KA21 in Men’s Health

Toei Shinyaku Co., Ltd. has obtained a Japanese patent based on human clinical research on outdoor-cultivated Agaricus KA21 in the field of men’s health.

The research was conducted in collaboration with the Faculty of Health Science at Shigakkan University and evaluated Agaricus KA21 in middle-aged and older men using men’s health and quality-of-life related measures.

Based on the research findings, the Japan Patent Office registered a patent covering a composition related to male menopausal symptoms, including decreased libido, erectile dysfunction, depressive mood, and reduced muscle strength.

The patent represents an intellectual-property outcome of Toei Shinyaku’s continuing human clinical research program on Agaricus KA21. The scope of the patent should be distinguished from general medical claims about the treatment of late-onset hypogonadism or other diseases.

Toei Shinyaku has conducted research on outdoor-cultivated Agaricus KA21 for more than 30 years and continues to build scientific evidence through collaborative research with universities and medical institutions.

Agaricus KA21 is derived from outdoor-cultivated Agaricus brasiliensis and is commercially known as King Agaricus KA21.

Details

Patent No.: 7818243

Patent Application No.: 2024-109541

Filing Date: July 8, 2024

Registration Date: February 12, 2026

Inventors: Takanori Tada; Akitomo Motoi

Applicants: Toei Shinyaku Co., Ltd.; Shigakkan Educational Corporation

Press Release

Original Japanese: https://www.atpress.ne.jp/news/575710

English: https://en.atpress.com/news/575710
Chinese:  https://zh.atpress.com/news/575710

Patent