Location History:
- Hyogo, JP (1999 - 2004)
- Itami, JP (2003 - 2004)
- Ashiya, JP (2003 - 2008)
- Ikoma, JP (2014 - 2015)
- Osaka, JP (2008 - 2020)
Company Filing History:
11 out of 353 
2 out of 260 
1 out of 21,351 
Years Active: 1999-2025
Title: **Innovator Hirofumi Ohtsuka: Pioneering Gas Desulfurization Techniques**
Introduction
Hirofumi Ohtsuka, an accomplished inventor hailing from Ikoma, Japan, is renowned for his significant contributions to the field of gas treatment technologies. With a portfolio of 16 patents, Ohtsuka has been instrumental in developing methods and agents that address the pressing issue of sulfur compounds in gas.
Latest Patents
Ohtsuka's latest patents include a high-performance gas desulfurizing agent and a corresponding desulfurizing method. These inventions focus on effectively removing sulfur compounds from gas at low temperatures, ensuring sustained desulfurizing performance over prolonged periods. The innovative gas desulfurizing agent comprises zinc oxide, aluminum oxide, and copper, supplemented with nickel (1.0% by mass to 10% by mass) and rhenium (0.1% by mass to 1.0% by mass). His method involves contacting this desulfurizing agent with gas in the presence of hydrogen, facilitating the decomposition and removal of sulfur compounds.
Another of his notable patents presents a similar concept, featuring a desulfurizing agent that combines zinc oxide, aluminum oxide, and copper, also enriched with nickel and ruthenium. This agent is integral to a gas desulfurization method that enables effective sulfur compound removal under comparable conditions.
Career Highlights
Ohtsuka has made substantial advancements in gas purification processes throughout his career. His work with Osaka Gas Company Limited has been particularly influential, contributing to the development and implementation of innovative solutions in the field.
Collaborations
Throughout his journey, Ohtsuka has collaborated with esteemed colleagues, including Takenori Hirano and Taichi Yanaru. Together, they have pushed the boundaries of gas treatment technologies, paving the way for future innovations.
Conclusion
Hirofumi Ohtsuka remains a leading figure in gas desulfurization research, with his patents exemplifying the fusion of chemistry and engineering aimed at combating environmental challenges. His dedication to innovation continues to inspire advancements within the industry, making a lasting impact on gas treatment methodologies.