Hironobu Ohno

Title: Hironobu Ohno: Pioneering Advances in Chemical Processes

Introduction

Hironobu Ohno is an esteemed inventor based in Kanagawa, Japan, known for his significant contributions to the field of chemical engineering. With an impressive portfolio consisting of three patents, Ohno has focused on innovative processes that enhance the production of various chemical compounds, driving advancements in this crucial industry.

Latest Patents

One of Hironobu Ohno's notable patents is titled "Process for the isomerization of allylic compounds." This invention presents a comprehensive method for isomerizing allylic substrates that possess either an acyloxyl or hydroxyl group at the allyl position, employing a catalyst that includes a Group VIII-X metal compound along with a phosphite compound. The process includes multiple steps, such as diacetoxylating butadiene to produce a mixture of specific compounds, subsequently isomerizing portions of this mixture to achieve high conversion rates and selectivity while minimizing the undesirable deposition of metals.

Another groundbreaking patent is the "Process for producing unsaturated glycol diester using tellurium." This method involves the reaction of conjugated diene with carboxylic acid and molecular oxygen in the presence of a solid catalyst, consisting of rhodium and tellurium supported on an inorganic porous carrier. This innovative process is designed to produce unsaturated glycol diester, such as 1,4-diacetoxy-2-butene, with high conversion rates and selectivity, showcasing Ohno's commitment to efficiency and sustainability in chemical production.

Career Highlights

Hironobu Ohno is affiliated with Mitsubishi Chemical Corporation, a leading company in the chemical sector. His work there has been pivotal in the development of efficient chemical processing technologies, making strides that not only contribute to the company's growth but also push the boundaries of innovation within the industry.

Collaborations

Throughout his career, Ohno has collaborated with fellow inventors, including Yoshinori Hara and Mikael Retboll. These partnerships have fostered a dynamic exchange of ideas and expertise, enhancing the quality and applicability of the inventions produced by these talented individuals.

Conclusion

In summary, Hironobu Ohno exemplifies the spirit of innovation and dedication in the world of chemical engineering. His patents reflect a deep understanding of chemical processes and a commitment to developing methods that improve production efficiency. As an accomplished inventor, Ohno continues to inspire future developments in the field, contributing to advancements that benefit both industry and society.