Shigenori Onitsuka

Title: Innovations by Shigenori Onitsuka in Low-Concentration Nitrogen Oxides Adsorbents

Introduction

Shigenori Onitsuka, an accomplished inventor from Ikoma, Japan, has made significant contributions to the field of environmental engineering. With five patents to his name, his work focuses on developing effective means to remove pollutants, particularly low-concentration nitrogen oxides, from the environment.

Latest Patents

Onitsuka's recent patents include the invention of first to fourth adsorbents specifically designed for the removal of low-concentration nitrogen oxides. The first adsorbent utilizes gamma-alumina as a carrier with ruthenium supported thereon. The second features anatase-type titania as its carrier, also supporting ruthenium. The third adsorbent comprises ceramic paper that retains a carrier of anatase-type titania, with ruthenium supported on this ceramic substrate. Lastly, the fourth adsorbent integrates ceramic paper, retaining a carrier of anatase-type titania, with both a ruthenium halide and a halide of an additional metal co-supported on the ceramic paper. Notably, these adsorbents are resistant to moisture, allowing for their use without the need for extensive energy-consuming dehumidification processes.

Career Highlights

Throughout his career, Shigenori Onitsuka has worked with distinguished organizations, including Hitachi Zosen Corporation and The Pollution-related Health Damage Compensation and Prevention. His contributions to these companies have significantly impacted the development of technologies aimed at improving air quality and public health.

Collaborations

Onitsuka has collaborated with notable peers such as Masayoshi Ichiki and Takanobu Watanabe. These partnerships have fostered an innovative environment, leading to groundbreaking advancements and patent developments in the field of air purification technologies.

Conclusion

Shigenori Onitsuka's innovative work and dedication to removing nitrogen oxides demonstrate the vital role inventors play in addressing environmental challenges. His patents are a testament to his expertise and commitment to improving air quality, making a significant difference for a healthier future.