Research, procurement, development, manufacture, and sale of devices and products in the electrical, electronic, ultrasonic, and biochemical fields related to hygiene and bodily and intimate comfort, including gum and tooth prophylaxis; procurement, sale, exchange, exploitation, and utilization of patents, licenses, trademarks, manufacturing processes, and other intangible rights, psychosensory and medical problems and solutions, including university clinical studies to promote the company's inventions and developments; industrial, commercial, or financial participations.