Since 1995,HANA Int'l Patent & Trademark Office has steadily grown to provide full range of services concerning Since 1995,HANA Int'l Patent & Trademark Office has steadily grown to provide full range of services concerning patents, utility models, trademarks, designs, copyrights and other aspects of intellectual properties. We focus on areas in Machinery, Electronic Devices, Metallurgical, general Chemistry (including Pharmaceuticals, Agrochemicals, Foods and Additives), Petrochemicals, Software and Computer-implemented Business Models.. We focus on areas in Machinery, Electronic Devices, Metallurgical, general Chemistry (including Pharmaceuticals, Agrochemicals, Foods and Additives), Petrochemicals, Software and Computer-implemented Business Models.