Patent ID: 6981586

Claim:
A magnetic tape cassette storage case comprising: a storage section, which comprises a bottom plate and side walls provided along a periphery of said bottom plate, for storing a magnetic tape cassette; a lid section for covering said storage section; and a connecting section for connecting said storage section and said lid section, said connecting section operable to allow opening and closing of said magnetic tape cassette case, wherein said connecting section is formed integrally of synthetic resin; said magnetic tape cassette storage case further comprising: a rib along a periphery of an outside surface of at least one of said storage section and said lid section, wherein the outside surface partially surrounded by the rib is formed into a flat portion, and wherein the rib projects outward in a substantially perpendicular direction from the outside surface of at least one of said storage section and said lid section; and an information sheet holding portion which covers a part of said flat portion, wherein said information sheet holding portion includes a transparent sheet welded on opposite sides of said outside surface.