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. 22, 2025
Filed:
Nov. 17, 2021
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Muneyasu Suzuki, Tsukuba, JP;
Jun Akedo, Tsukuba, JP;
Shusuke Kanazawa, Tsukuba, JP;
Motoshi Itagaki, Tsukuba, JP;
Shun Hasegawa, Tsukuba, JP;
Tetsuo Tsuchiya, Tsukuba, JP;
Hirobumi Ushijima, Tsukuba, JP;
Abstract
Disclosed is a highly dense aggregate of brittle material particles having an interface at which the particles are bonded to each other and pores between the brittle material particles structuring the highly dense aggregate, where a porosity which is a volume ratio of the pores with respect to the whole of the highly dense aggregate is equal to or less than 20%, and a volume ratio of the pores communicating with an apparent outer surface of the highly dense aggregate with respect to a volume of all of the pores of the highly dense aggregate is equal to or higher than 65%.