Kenji Honjoh 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 waste toner storage unit detachably mountable to an image forming apparatus includes a waste toner container and an inner cover integrally attached to the waste toner container. The waste toner container stores waste toner recovered after an image forming process. The inner cover is located at a region of the waste toner storage unit that does not store waste toner.