Katsuta, Japan

Ryokichi Yamada

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi, Ltd., The Tokyo Electric Power Company, Incorporated. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryokichi Yamada. Retrieved from https://idiyas.com/inventor/ryokichi-yamada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Ryokichi Yamada: Innovator in Gas Separation Technology

Introduction

Ryokichi Yamada is a notable inventor from Katsuta, Japan, recognized for his contributions to gas separation technology. His innovative approach has led to the development of a unique apparatus designed to efficiently separate gas mixtures.

Latest Patents

Yamada holds a patent for a "Method of and apparatus for separating gas mixture." This gas mixture separating apparatus features an adsorption column packed with an adsorbent. It includes a gas mixture column-end feeding device that feeds a gas mixture to one end of the adsorption column. Additionally, it has an unadsorbed-gas column-end discharge device for discharging unadsorbed gas from the other end of the adsorption column. A pressurizing device is also included to pressurize the gas mixture before it enters the adsorption column. Furthermore, the apparatus is equipped with a gas mixture side-injection device that feeds the gas mixture to the adsorbent from the shell side of the adsorption column. Concentration sensors are installed to detect the concentration of components in the gas flow that are adsorbed by the adsorbent.

Career Highlights

Throughout his career, Yamada has worked with prominent companies such as Hitachi, Ltd. and The Tokyo Electric Power Company, Incorporated. His experience in these organizations has contributed significantly to his expertise in gas separation technologies.

Collaborations

Yamada has collaborated with notable coworkers, including Tetsuro Haga and Shuntaro Koyama. Their combined efforts have further advanced the field of gas separation.

Conclusion

Ryokichi Yamada's innovative work in gas separation technology has made a significant impact in the industry. His patent and collaborations reflect his dedication to advancing this important field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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