Shyunji Furukawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A disk case in which the downsizing of a disk is enabled, maintaining the ease of handling in the same manner as the current 8-cm disk cartridge, and that can be mounted on the current 12-cm drive by using a simplified adapter is provided. The shape of the disk case that involves an 8-cm disk is not a square but almost a circle. Further, the opening width of the disk case is 39 mm or more. An arm for ejecting the disk is arranged at the disk case opening side.
Abstract: A disk case in which the downsizing of a disk is enabled, maintaining the ease of handling in the same manner as the current 8-cm disk cartridge, and that can be mounted on the current 12-cm drive by using a simplified adapter is provided.