Sakai, Japan

Isao Hiraki

This inventor holds 1 USPTO granted patent. Top assignee: Osaka Lead Refinery Co., Ltd.. Active years: 1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Hiraki. Retrieved from https://idiyas.com/inventor/isao-hiraki

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 1983

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1 patent (USPTO):Explore Patents

Title: Isao Hiraki: Innovator in Lead Recovery Technology.

Introduction

Isao Hiraki is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of lead recovery technology. His innovative approach has led to the development of a unique method for collecting lead from ashes containing lead compounds.

Latest Patents

Hiraki holds a patent for a method of electrolytically collecting lead from ashes containing lead compounds. This method involves adding the ashes to an aqueous solution of caustic soda and subjecting the mixture to electrolysis in two stages: preliminary electrolysis and stationary electrolysis. This innovative technique enhances the efficiency of lead recovery from waste materials.

Career Highlights

Hiraki is associated with Osaka Lead Refinery Co., Ltd., where he applies his expertise in lead recovery processes. His work has contributed to advancements in sustainable practices within the lead refining industry.

Collaborations

Hiraki has collaborated with Takeo Oki, a fellow innovator in the field. Their partnership has fostered the development of new techniques and improvements in lead recovery methods.

Conclusion

Isao Hiraki's contributions to lead recovery technology exemplify the importance of innovation in environmental sustainability. His patented method represents a significant advancement in the efficient collection of lead from waste materials.

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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