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. 22, 2021
Filed:
Mar. 29, 2018
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Kensei Hamaki, Osaka, JP;
Katsuko Yamamoto, Osaka, JP;
Hitoshi Sumiya, Osaka, JP;
Yuh Ishida, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/40 (2006.01); G01N 3/42 (2006.01); C01B 32/26 (2017.01); C04B 35/52 (2006.01); C04B 35/645 (2006.01);
U.S. Cl.
CPC ...
G01N 3/405 (2013.01); C01B 32/26 (2017.08); C04B 35/52 (2013.01); C04B 35/645 (2013.01); G01N 3/42 (2013.01); C01P 2004/62 (2013.01); C04B 2235/421 (2013.01); C04B 2235/425 (2013.01); C04B 2235/5454 (2013.01); C04B 2235/963 (2013.01); G01N 2203/0003 (2013.01); G01N 2203/0019 (2013.01); G01N 2203/0064 (2013.01); G01N 2203/0078 (2013.01);
Abstract
An indenter is made of polycrystalline diamond and has a tip having a spherical surface with a radius of 10 to 2000 μm.