Omiya, Japan

Yuhji Ishiwari

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Materials Corporation. Active years: 2001-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuhji Ishiwari. Retrieved from https://idiyas.com/inventor/yuhji-ishiwari

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 = 5.0

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2001-2002

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2 patents (USPTO):Explore Patents

Title: Yuhji Ishiwari: Innovator in Silicon Ingot Production

Introduction

Yuhji Ishiwari is a notable inventor based in Ohmiya, Japan. He has made significant contributions to the field of materials science, particularly in the production of silicon ingots. With a total of 2 patents to his name, Ishiwari's work has implications for various industries, including electronics and renewable energy.

Latest Patents

Ishiwari's latest patents focus on a method for producing silicon ingots with a directional solidification structure. This innovative method involves several steps, including placing a silicon raw material into a specially designed crucible. The crucible is equipped with a chill plate and an overhead heater, allowing for precise temperature control during the melting process. The method also includes chilling the bottom of the crucible and controlling the temperature of the overhead heater to ensure optimal solidification of the silicon.

Career Highlights

Yuhji Ishiwari is currently employed at Mitsubishi Materials Corporation, where he continues to advance his research and development efforts. His work has been instrumental in improving the efficiency and quality of silicon ingot production, which is crucial for the semiconductor industry.

Collaborations

Ishiwari has collaborated with several esteemed colleagues, including Saburo Wakita and Akira Mitsuhashi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Yuhji Ishiwari's contributions to the field of silicon ingot production highlight his role as a leading inventor in materials science. His innovative methods and collaborative efforts continue to influence the industry positively.

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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