Saitama, Japan

Ryuzaburo Ishizaka

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Metals, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuzaburo Ishizaka. Retrieved from https://idiyas.com/inventor/ryuzaburo-ishizaka

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 = 3.0

ph-index = 1


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Ryuzaburo Ishizaka: Innovator in Heat Treatment Technology

Introduction

Ryuzaburo Ishizaka is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of heat treatment technology, particularly for thin spheroidal graphite cast iron products. His innovative approach has led to the development of a specialized apparatus that enhances the efficiency and effectiveness of heat treatment processes.

Latest Patents

Ishizaka holds a patent for a "Heat treatment apparatus for thin spheroidal graphite cast iron products." This apparatus includes a cast iron product remover for extracting the thin spheroidal graphite cast iron product from a casting mold. It features a continuous furnace with a uniform temperature zone maintained at a temperature equal to or higher than the A3 transformation point of the material. The design incorporates a first conveying means for the product and a second conveying means that facilitates the movement of the product through the continuous furnace.

Career Highlights

Ryuzaburo Ishizaka is associated with Hitachi Metals, Ltd., where he has applied his expertise in materials engineering. His work has been instrumental in advancing the manufacturing processes related to cast iron products. His innovative solutions have contributed to the efficiency and quality of production in the industry.

Collaborations

Ishizaka has collaborated with notable colleagues, including Yasuhiro Uzu and Hideaki Nagayoshi. Their combined efforts have fostered advancements in heat treatment technologies and have led to improved manufacturing practices within their organization.

Conclusion

Ryuzaburo Ishizaka's contributions to heat treatment technology exemplify the impact of innovation in manufacturing. His patent and collaborative efforts highlight the importance of continuous improvement in industrial processes.

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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