Company Filing History:
2 out of 232 
1 out of 1,384 Years Active: 2000
Title: Hitoshi Kusama: Innovator in Catalysis and Hydrogen Production
Introduction: Hitoshi Kusama, an accomplished inventor based in Tsukuba, Japan, has made significant contributions to the fields of catalysis and sustainable energy. With two patents to his name, Kusama's innovations focus on enhancing the efficiency of chemical processes and promoting clean energy solutions.
Latest Patents: Kusama's most recent patents include a highly active catalyst for methanol synthesis and reforming, and a process for hydrogen production from water using photocatalyst-electrolysis. The catalyst consists of copper, zinc, and aluminum oxides, featuring copper or copper oxide particles with a size ranging from 1 to 100 nm. These particles are covered with a film of aluminum and zinc oxides, with specific weight proportions of 68.0 to 86.0% for copper, 4.5 to 21.0% for zinc, and 2.0 to 20.0% for aluminum. Remarkably, this catalyst can be produced using the coprecipitation method, a routine process in catalyst manufacturing, without the need for costly additives. His second patent details a novel method to produce hydrogen gas from water, where an aqueous solution containing ferric ions is illuminated with light while in contact with a photocatalyst, facilitating the transformation of ferric ions into ferrous ions, which are subsequently electrolyzed to generate hydrogen gas.
Career Highlights: Hitoshi Kusama has held prominent positions throughout his career, including serving as the Director-General of the Agency of Industrial Science and Technology and working with YKK Corporation, a global leader in manufacturing fasteners and other textile-related products. His leadership roles have allowed him to influence developments in industrial science and technology.
Collaborations: Throughout his career, Kusama has worked alongside esteemed colleagues, including Hironori Arakawa and Kiyomi Okabe. Their collaborative efforts have propelled advancements in their respective fields, fostering innovation and research.
Conclusion: Hitoshi Kusama stands out as a prominent inventor whose work in catalysis and hydrogen production reflects the potential for scientific innovation to impact sustainable energy solutions. His patents not only underscore his expertise but also contribute to the ongoing quest for more efficient and environmentally friendly industrial processes.