Company Filing History:
Years Active: 1993
Title: Shigesada Iijima: Innovator in Sulfur Dioxide Detection
Introduction
Shigesada Iijima is a notable inventor based in Nukata, Japan. He has made significant contributions to the field of environmental monitoring through his innovative inventions. His work primarily focuses on developing devices that enhance the detection of harmful gases, particularly sulfur dioxide.
Latest Patents
Iijima holds a patent for a sulfur dioxide detector device that utilizes SO₂-oxidant bioagents. This device features a bio-membrane positioned at one end of an oxygen concentration sensor. The bio-membrane contains SO₂-oxidant microbes situated between an immobilized membrane and a gas-permeable membrane. The sensor is equipped with an electrode that contacts the immobilized membrane. The design includes a dish-shaped or frusto-conical cell with an open end that interfaces with the gas-permeable membrane. This configuration allows for the oxidation of sulfurous acid to sulfuric acid as the SO₂ permeates through the bio-membrane, resulting in a measurable output from the sensor. Additionally, the cell is designed with an inlet and outlet hole on its sidewall, ensuring efficient drainage of foam generated during operation.
Career Highlights
Iijima is currently associated with Nakano Vinegar Co., Ltd., where he continues to innovate and develop new technologies. His dedication to improving environmental safety through advanced detection methods has positioned him as a key figure in his field.
Collaborations
Throughout his career, Iijima has collaborated with talented individuals such as Takeshi Sato and Nobuko Kubo. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Shigesada Iijima's contributions to sulfur dioxide detection exemplify the importance of innovation in environmental monitoring. His patented device represents a significant advancement in the field, showcasing his commitment to improving public health and safety.