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:
Dec. 20, 2011
Filed:
Feb. 23, 2010
Applicants:
Hiroyuki Yokoyama, Miyagi, JP;
Shunsuke Kono, Miyagi, JP;
Tomoyuki Oki, Kanagawa, JP;
Masao Ikeda, Kanagawa, JP;
Inventors:
Hiroyuki Yokoyama, Miyagi, JP;
Shunsuke Kono, Miyagi, JP;
Tomoyuki Oki, Kanagawa, JP;
Masao Ikeda, Kanagawa, JP;
Assignees:
Sony Corporation, Tokyo, JP;
Tohoku University, Miyagi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/10 (2006.01); H01S 3/091 (2006.01); H01S 3/094 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of driving an ultrashort pulse and ultrahigh power laser diode device having a simple composition and a simple structure is provided. In the method of driving a laser diode device, light is injected from a light injection means into a laser diode device driven by a pulse current having a value 10 or more times as large as a value of a threshold current.