Cooking appliances for household use utilizing superheated steam, cooking appliances for commercial use utilizing superheated steam, built-in style cooking appliances for both household use and commercial use utilizing superheated steam, superheated steam ovens having a function of a microwave oven for household use and commercial use, cooking appliances, microwave ovens, electric ovens, electromagnetic cooking apparatus, air conditioners, ion conditioners, ceiling lights, desk lamps, lighting installation using a LED as a light source, lighting apparatus and installations, toasters, roasters, electric coffee filters, electric coffee percolators, air dryers, hair dryers, dehumidifiers, electronically heated carpets, electric hot plates, electric rice-cookers, electric pots, electric fans for air conditioning, electric fans for ventilating, stoves, heaters, air purifiers, refrigerators, freezers, water purifiers, humidifiers, electric lamps, solar heating collectors; parts and fittings for the aforesaid goods in this class