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:
Jul. 19, 1977
Filed:
Dec. 18, 1975
Applicant:
Inventors:
Nobuo Yamashita, Tama, JA;
Yoshisada Hayamizu, Hachiouji, JA;
Yoshitaka Nagai, Hachiouji, JA;
Toshihiro Imai, Hachiouji, JA;
Kazumasa Matsuo, Hachiouji, JA;
Assignee:
Olympus Optical Co., Ltd., , JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128-4 ; 350 69 ; 350252 ;
Abstract
An endoscope comprising optical elements such as field lenses and relay lenses arranged in an outer tube without using tubular spacers so that the intensity of transmitted light becomes high.