Nagoya, Japan

Hiroaki Sakai

This inventor holds 16 USPTO granted patents and 3 EPO patents. Top assignees: Ngk Insulators, Inc., Nagaoka University of Technology. Active years: 1990-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Sakai. Retrieved from https://idiyas.com/inventor/hiroaki-sakai-enc9bplx

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 141(Granted Patents)


Company Filing History:


Years Active: 1990-2010

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16 patents (USPTO):Explore Patents

Title: Hiroaki Sakai: Innovator in Semiconductor Manufacturing

Introduction

Hiroaki Sakai, an accomplished inventor based in Nagoya, Japan, holds a remarkable portfolio of 16 patents. His work primarily focuses on developing advanced materials that enhance the performance and reliability of semiconductor manufacturing equipment.

Latest Patents

Among his latest innovations are his patents for an yttrium oxide-containing material and a method for producing this material. This invention provides a yttrium oxide compound with excellent mechanical properties, strengthened by incorporating silicon carbide (SiC) and yttrium fluoride (YF) into yttrium oxide (YO). Such advancements allow for improved yield, handling, and reliability when applied to semiconductor manufacturing components. Additionally, he has developed a highly heat-conductive Si-containing material, controlled within a specific lattice constant range, ensuring stability in heat conductivity while being produced without B compounds.

Career Highlights

Hiroaki Sakai has made significant contributions during his tenure at notable companies such as NGK Insulators, Inc. and Nagaoka University of Technology. His work in these institutions has fostered innovation and excellence in materials science, particularly in the field of semiconductors.

Collaborations

Throughout his career, Hiroaki has collaborated with esteemed colleagues, including Shinji Kawasaki and Shuichi Ichikawa. These partnerships have enabled him to push the boundaries of material research and development, further solidifying his reputation as a key innovator in his field.

Conclusion

Hiroaki Sakai’s contributions to semiconductor manufacturing through his patented innovations reflect a profound understanding of materials science. His ability to develop high-performance materials is not only paving the way for advancements in technology but also exemplifying the impact of dedicated research and collaboration in the field of 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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