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:
May. 29, 2012
Filed:
Mar. 26, 2009
Applicants:
Hidekazu Yamazaki, Minami-ashigara, JP;
Tsukasa Ishihara, Minami-ashigara, JP;
Inventors:
Hidekazu Yamazaki, Minami-ashigara, JP;
Tsukasa Ishihara, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 11/08 (2006.01); C12N 5/00 (2006.01); C12M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A porous film is used as a cell culture substrate that is a scaffold for a spheroid. The porous film has a plurality of pores whose diameters gradually increase in a direction A. The diameters of the pores gradually increase from a first area Pto a third area Pin this order. The first to the third areas Pto Pare located on the porous film along the direction A. The diameters and depths of the pores increase in proportion to the distance in the direction A.