Kanagawa, Japan

Koichi Katamura

This inventor holds 1 USPTO granted patent. Top assignee: Showa Denko Kabushiki Kaisha. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Katamura. Retrieved from https://idiyas.com/inventor/koichi-katamura

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 = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Koichi Katamura: Innovator in Chemical Purification

Introduction

Koichi Katamura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of chemical engineering, particularly in the purification of refrigerants. His innovative approach has led to advancements in the efficiency of chemical processes.

Latest Patents

Koichi Katamura holds a patent for a process for purifying 1,1,1,2-tetrafluoroethane. This process involves allowing an HF-containing 1,1,1,2-tetrafluoroethane-concentrated fraction to contact hydrofluoric acid at low temperatures. The method enables two-phase separation and the subsequent recovery of 1,1,1,2-tetrafluoroethane from the separated lower phase. The hydrofluoric acid used as the extraction solvent has a concentration ranging from 38 to 70% by weight, and the process is conducted at temperatures between -35°C and 35°C. This purification process allows for the economical recovery of HF from a 1,1,1,2-tetrafluoroethane fraction containing a small amount of HF.

Career Highlights

Koichi Katamura is associated with Showa Denko Kabushiki Kaisha, a prominent company in the chemical industry. His work has been instrumental in enhancing the efficiency of chemical purification processes, contributing to both environmental sustainability and economic viability.

Collaborations

Koichi has collaborated with notable colleagues such as Hiromoto Ohno and Tatsuharu Arai. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Koichi Katamura's contributions to the purification of chemical compounds exemplify the importance of innovation in the chemical industry. His patented process not only improves efficiency but also supports sustainable practices in chemical engineering.

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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