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:
Oct. 04, 2011
Filed:
May. 29, 2008
Masahiro Hagihara, Hachioji, JP;
Takao Yamaguchi, Hachioji, JP;
Kiyoshi Tsuji, Kunitachi, JP;
Atsushi Goto, Oume, JP;
Hiroaki Kinoshita, Akishima, JP;
Hirofumi Yamamoto, Hino, JP;
Masahiro Hagihara, Hachioji, JP;
Takao Yamaguchi, Hachioji, JP;
Kiyoshi Tsuji, Kunitachi, JP;
Atsushi Goto, Oume, JP;
Hiroaki Kinoshita, Akishima, JP;
Hirofumi Yamamoto, Hino, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
An endoscope includes: an insertion portion including a distal end portion, to be inserted into a subject; an observation optical system disposed in the insertion portion; an optical member configuring a part of an outer surface of the distal end portion, through which a photographing light to be incident into the observation optical system transmits; a first hydrophilic portion that is film-formed at least on a surface of the optical member; a second hydrophilic portion that is film-formed on a first surface of the distal end portion in which the optical member is disposed; and a third hydrophilic portion that is film-formed on a second surface separate from the first surface of the distal end portion.