Tokyo, Japan

Yutaka Kozai

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Kozai. Retrieved from https://idiyas.com/inventor/yutaka-kozai

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 = 3.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1996

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Yutaka Kozai: Innovator in Semiconductor Technology

Introduction

Yutaka Kozai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in enhancing electrical isolation capabilities in semiconductor devices. His innovative approach aims to improve the reliability and performance of these devices.

Latest Patents

Yutaka Kozai holds a patent for an "Isolation structure for semiconductor device." This invention addresses the need for high electrical isolation capability and enhanced electrical reliability to prevent short circuits between individual conductive layers. The patent outlines a method for manufacturing a semiconductor device that includes forming an n.sup.+ buried layer and an n.sup.- epitaxial growth layer on a p.sup.- silicon substrate. The process involves creating an element isolation oxide film with a through hole, forming a trench that penetrates through the layers, and applying insulating layers to ensure effective isolation.

Career Highlights

Kozai is associated with Mitsubishi Denki Kabushiki Kaisha, where he has been instrumental in advancing semiconductor technologies. His work has led to improved designs that enhance the performance and reliability of electronic devices.

Collaborations

Throughout his career, Yutaka Kozai has collaborated with notable colleagues, including Kiyoto Watabe and Tatsuhiko Ikeda. These partnerships have fostered innovation and contributed to the development of cutting-edge semiconductor solutions.

Conclusion

Yutaka Kozai's contributions to semiconductor technology exemplify the importance of innovation in enhancing device reliability and performance. His patent reflects a commitment to advancing the field and addressing critical challenges in semiconductor manufacturing.

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]
Loading…