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. 21, 1995
Filed:
Feb. 26, 1993
Applicant:
Inventors:
Yuji Umemoto, Hachiouji, JP;
Koki Otsuka, Hino, JP;
Yuji Okuda, Hino, JP;
Masami Akamine, Yokosuka, JP;
Koichi Ito, Hino, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379388 ; 379390 ; 379391 ; 379406 ; 379407 ; 379410 ; 379 61 ; 379402 ;
Umemoto, Yuji. (1995). Speech communication apparatus equipped with echo canceller (U.S. Patent No. 5400399). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5400399
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile