This inventor holds 6 USPTO granted patents. Top assignees: Jgc Corporation, Orient Kagaku Kogyo K.k., Mitsubishi Petrochemical Company Limited. Active years: 1980-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1980-2026
Title: Innovations of Katsunobu Yamaguchi
Introduction
Katsunobu Yamaguchi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in ammonia synthesis and heat transfer technologies. With a total of five patents to his name, Yamaguchi's work has had a considerable impact on industrial processes.
Latest Patents
Yamaguchi's latest patents include an ammonia synthesis system and an ammonia production method. The ammonia synthesis system features a reaction unit that synthesizes ammonia from nitrogen and hydrogen, along with an ammonia cooler and a gas-liquid separator. This innovative system allows for the efficient production of ammonia using a circulated gas with a minimum ammonia gas concentration of 3% by volume. His method for producing ammonia also emphasizes the use of this circulated gas under specific pressure conditions to optimize yield.
Another significant patent is for a shell-and-tube apparatus that includes an intermediate tube plate. This apparatus is designed to enhance heat transfer efficiency by sectioning the vessel into compartments with varying temperatures. The design incorporates insulation plates to create a stagnation zone for the heat transfer medium, which helps to mitigate thermal stress. This reactor is particularly useful for the production of (meth)acrylic acid through catalytic gas-phase oxidation.
Career Highlights
Throughout his career, Yamaguchi has worked with prominent companies such as JGC Corporation and Orient Kagaku Kogyo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in chemical engineering.
Collaborations
Yamaguchi has collaborated with notable colleagues, including Fujio Tsuchiya and Kenzo Yamamoto. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in their respective fields.
Conclusion
Katsunobu Yamaguchi's contributions to the field of chemical engineering through his innovative patents demonstrate his commitment to advancing industrial processes. His work continues to influence the production of ammonia and heat transfer technologies, showcasing the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile