Shu Tahara is a notable inventor based in Shiga, Japan, recognized for his significant contributions to the field of technology and materials science. With a total of seven patents to his name, he has made remarkable advancements that have practical applications in various industries.

Latest Patents

Among his latest patents is a method and apparatus for analyzing nitrogen compounds and phosphorus. This innovative process involves supplying sample water to an oxidative decomposer, where it is heated to 90 degrees Celsius in the presence of a photooxidation catalyst. The sample is then irradiated with ultraviolet radiation from a low-pressure mercury lamp while air is supplied, facilitating a photooxidative decomposition reaction. Following this reaction, nitric acid ions are measured using an absorption photometer at a wavelength of 220 nm. A color developer is subsequently added to the sample water, allowing for the measurement of phosphoric ions with the absorption photometer at a wavelength of 880 nm.

Another significant patent by Shu Tahara involves the production of oriented films of polylactic acid. This process allows for the creation of films with improved tensile strength and Young's modulus by melting and extruding poly-L-lactic acid and/or poly-D-lactic acid. After rapid cooling, the film undergoes a stretching process at a temperature above the glass transition temperature and below the cold-crystallization temperature. The stretching can be achieved through uniaxial stretching

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