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:
Feb. 25, 2025
Filed:
Sep. 27, 2021
Mitsubishi Chemical Corporation, Tokyo, JP;
Haruki Koshitouge, Tokyo, JP;
Shogo Koga, Tokyo, JP;
Naoyuki Uchida, Tokyo, JP;
Kazuma Inoue, Tokyo, JP;
Masanari Nakayama, Tokyo, JP;
Yuya Saito, Tokyo, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a sound insulation sheet member which is excellent in sound insulation performance in a low frequency band and which has a compact configuration. A sound insulation sheet memberincluding a substrateand a concavo-convex structureplaced on at least one surface of the substrate, in which the concavo-convex structureis provided by repeatedly arranging a plurality of units each defined as a concavo-convex unit shapeincluding a linear convex portion, in one direction at substantially constant intervals on the surface of the substrate