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:
Jun. 11, 2013
Filed:
Jan. 21, 2010
Applicants:
Takeshi Hishida, Kanagawa, JP;
Tsutomu Igarashi, Kanagawa, JP;
Inventors:
Takeshi Hishida, Kanagawa, JP;
Tsutomu Igarashi, Kanagawa, JP;
Assignee:
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a semiconductor chip, and a guard ring made of an electrically conductive material and arranged between electrodes on the semiconductor chip and side edges of the semiconductor chip, the guard ring being divided by isolating sections on the semiconductor chip.
Hishida, Takeshi. (2013). Semiconductor device (U.S. Patent No. 8461667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8461667
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile