The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Aug. 07, 2019
National University Corporation Yokohama National University, Kanagawa, JP;
Kanagawa Institute of Industrial Science and Technology, Kanagawa, JP;
Junji Fukuda, Yokohama, JP;
Tatsuto Kageyama, Ebina, JP;
Akihiro Shimizu, Yokohama, JP;
Rikuma Nakajima, Yokohama, JP;
Riki Anakama, Yokohama, JP;
National University Corporation Yokohama National University, Kanagawa, JP;
Kanagawa Institute of Industrial Science and Technology, Kanagawa, JP;
Abstract
Provided is a hair follicle germ capable of forming a hair shaft-like structure in vitro simply and within a short period of time. A method of producing a hair follicle germ includes: inoculating epithelial cells and mesenchymal cells; maintaining the epithelial cells and the mesenchymal cells in a culture solution in which (a) laminin and entactin, and/or (b) type IV collagen is dispersed; and co-culturing the epithelial cells and the mesenchymal cells in a culture solution to form a hair follicle germ.