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:
Sep. 14, 1999
Filed:
Nov. 21, 1997
Applicant:
Inventor:
Shuji Shikano, Yokohama, JP;
Assignees:
Moritex Corporation, Tokyo, JP;
Research Development Corporation, Kawaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; H01S / ;
U.S. Cl.
CPC ...
359837 ; 359640 ; 250251 ;
Abstract
A laser trapping apparatus for optically trapping an optional micro-particle from a group of micro-particles such as microorganisms suspended in a medium by a laser beam focused at a focal point of an optical converging system at the focal point, the apparatus comprising: a parallel beam output device for outputting a plurality of laser beams around an optical axis in parallel with said optical axis, and an optical converging system having an objective lens for focusing the plurality of laser beams irradiated from the parallel beam output device to the focal point.