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:
Mar. 10, 2015
Filed:
Jun. 22, 2011
Keizo Watakabe, Kobe, JP;
Takashi Sakurai, Kobe, JP;
Osamu Ohji, Kako-gun, JP;
Katsumi Nakashima, Kobe, JP;
Keizo Watakabe, Kobe, JP;
Takashi Sakurai, Kobe, JP;
Osamu Ohji, Kako-gun, JP;
Katsumi Nakashima, Kobe, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, JP;
Abstract
A method and device achieves identification on whether a colony on a cultivation container is differentiated or undifferentiated on an occasion of cultivation of multipotent stem cell, and a method and device achieves a rapid culture of undifferentiated multipotent stem cells. Undifferentiated colony containing only undifferentiated multipotent stem cells is identified from other types of colonies by means of the circularity C of the colony in an image-processed taken image of the inside of cultivation container of a multipotent stem cell. More specifically, when a first threshold of the circularity of the colony is C, and a second predetermined threshold is C(C<C), a colony satisfying C≦C is determined as the undifferentiated colony, a colony satisfying C≦C<Cis determined as an undefined colony, and a colony satisfying C<Cis determined as the differentiated colony.