Michinori Imamura 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 printer includes an ink cartridge mounted on a main body, ink contained in the ink cartridge, a discriminating member attached to the ink cartridge and having information recorded with on the ink cartridge, the ink cartridge being discriminated by the information recorded on the discriminating member, a memory for individually storing information items of a plurality of the ink cartridges, a control unit for determining a status of ink level in the ink cartridge mounted on the main body by the information recorded on the discriminating member and by the information items of each ink cartridge stored in the memory.
Abstract: A printer includes an ink cartridge mounted on a main body, ink contained in the ink cartridge, a discriminating member attached to the ink cartridge and having information recorded with on the ink cartridge, the ink cartridge being discriminated by the information recorded on the discriminating member, a memory for individually storing information items of a plurality of the ink cartridges, a control unit for determining a status of ink level in the ink cartridge mounted on the main body by the information recorded on the discriminating member and by the information items of each ink cartridge stored in the memory.