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.

Date of Patent:
Aug. 26, 2025

Filed:

Oct. 23, 2023
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Shota Kamei, Kanagawa, JP;

Takashi Morimoto, Kanagawa, JP;

Tomoyuki Shimoda, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/1434 (2024.01); B01L 3/00 (2006.01); G01N 15/01 (2024.01); G01N 15/1429 (2024.01);
U.S. Cl.
CPC ...
G01N 15/1434 (2013.01); B01L 3/502715 (2013.01); G01N 15/1429 (2013.01); B01L 2300/027 (2013.01); B01L 2300/0654 (2013.01); G01N 15/01 (2024.01);
Abstract

Provided are a cell life-and-death determination method, a cell life-and-death determination device, and a cell life-and-death determination system. The cell life-and-death determination method includes: acquiring images of a cell captured in a plurality of focal planes including an in-focus plane of the cell in a direction opposite to a side on which the cell is irradiated with light; acquiring an image piece including a central portion and an outer peripheral portion of the cell from each of the images; connecting the image pieces in an order of an imaging direction of the focal plane to create a connected image for analysis; extracting a feature amount from the connected image for analysis; and determining whether the cell is alive or dead on the basis of the feature amount of the connected image for analysis and a predetermined range of the feature amount.


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