Koji Hieda

Title: Innovator Koji Hieda: Advancing Membrane Filter Technology in Toki, Japan

Introduction

Koji Hieda, an inventive mind from Toki, Japan, has made significant contributions to the field of material science, particularly in the development of advanced membrane filter technologies. With two patents to his name, Hieda is recognized for his innovative approaches that enhance the performance and efficiency of membrane filters.

Latest Patents

Hieda's latest patents showcase his expertise and inventive prowess. One of his notable inventions is a base material for a membrane filter that comprises 90% by mass or more of aluminum oxide and 0.1% by mass or more and 10% by mass or less of titanium oxide. This invention demonstrates a unique pore distribution, characterized by a first peak and a second peak on the pore size curve, where the second peak is higher and positioned at a larger pore size. The material also features a specific volume of pores measuring 7 µm or more, with at least 0.02 cm/g.

Another significant patent is for a ceramic membrane filter that includes a porous substrate with fluid-permeable cells, an intermediate membrane, and a separation membrane. This innovative filter design ensures that the percentage of cells with cracks measuring 4 µm or less is maintained at 9% or less, enhancing the filter's durability and efficiency.

Career Highlights

Hieda is currently associated with NGK Insulators, Inc., a company known for its advancements in ceramic materials and filtration technologies. His work aligns with the company's commitment to innovation and quality in material science.

Collaborations

Throughout his career, Hieda has collaborated with fellow innovator Muneyuki Iwabuchi. Their partnership has fostered the development of cutting-edge technologies in membrane filtration, contributing to improved filtration systems used in various industries.

Conclusion

Koji Hieda's contributions to membrane filter technology exemplify his dedication to innovation and research. With his robust portfolio of patents and collaborative efforts, Hieda continues to influence the future of filtration technologies and advance the field of material science in Japan and beyond.