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:
Jul. 14, 2026
Filed:
Jun. 14, 2021
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Rintaro Sugimoto, Hyogo, JP;
Takashi Harada, Hyogo, JP;
Satoru Kukino, Osaka, JP;
Taisuke Higashi, Hyogo, JP;
Naoki Watanobe, Hyogo, JP;
Mayuka Segawa, Hyogo, JP;
SUMITOMO ELECTRIC HARDMETAL CORP., Hyogo, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A tool of the present disclosure includes a tip end portion. The tip end portion has a surface. At least a part of the surface includes a plurality of protrusions, a first recess provided by contact between ends of two adjacent protrusions of the protrusions, and a second recess different from the first recess. The second recess is provided inside at least one of the protrusions or provided to extend across the two adjacent protrusions.