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. 22, 2011
Filed:
Dec. 22, 2005
Atsuhiro Tsuchiya, Tokyo, JP;
Ryuichi Hirano, Tokyo, JP;
Hideaki Endo, Tokyo, JP;
Kenichi Koyama, Tokyo, JP;
Kazuhiro Hasegawa, Tokyo, JP;
Akitsugu Kagayama, Tokyo, JP;
Katsuyoshi Yamaguchi, Tokyo, JP;
Atsuhiro Tsuchiya, Tokyo, JP;
Ryuichi Hirano, Tokyo, JP;
Hideaki Endo, Tokyo, JP;
Kenichi Koyama, Tokyo, JP;
Kazuhiro Hasegawa, Tokyo, JP;
Akitsugu Kagayama, Tokyo, JP;
Katsuyoshi Yamaguchi, Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A culture observation apparatus, which is used for observing a cultured cell while culturing the cell, includes a culture device that cultures the cultured cell, and a microscope used for observing the cultured cell. The culture device includes a first space that is controlled to an environment suitable for culture of the cell, and a second space that is controlled to a lower humidity condition in comparison with the first space. The microscope includes an objective optical unit including an objective lens; the objective optical unit having at least one portion located in the second space, and another portion extending into the first space through an opening formed in a partition wall that separates the first space and the second space, with a gap between the objective optical unit and the partition wall being sealed by a sealing member, and the objective lens includes a plurality of lens groups, with mutual spaces among the lens groups vented to the second space.