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. 05, 2023
Filed:
Aug. 30, 2019
Applicants:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Sumitomo Electric Sintered Alloy, Ltd., Takahashi, JP;
Inventors:
Tomoyuki Ishimine, Osaka, JP;
Shigeki Egashira, Osaka, JP;
Kazunari Shimauchi, Osaka, JP;
Takayuki Tashiro, Osaka, JP;
Assignees:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
SUMITOMO ELECTRIC SINTERED ALLOY, LTD., Takahashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 5/08 (2006.01); B22F 3/16 (2006.01); F16H 55/06 (2006.01); F16H 55/17 (2006.01); B22F 1/00 (2022.01);
U.S. Cl.
CPC ...
B22F 5/08 (2013.01); B22F 1/00 (2013.01); B22F 3/162 (2013.01); F16H 55/06 (2013.01); F16H 55/17 (2013.01); B22F 2301/35 (2013.01);
Abstract
A sintered gear of annular shape which has a composition including a metal, has a plurality of pores in a surface thereof, and has a relative density of 93% or more and 99.5% or less.