Yokohama, Japan

Masashi Ozeki

This inventor holds 8 USPTO granted patents. Top assignees: Fujitsu Corporation, Asahi Kogyosha Co., Ltd., Other. Active years: 1989-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Ozeki. Retrieved from https://idiyas.com/inventor/masashi-ozeki

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 = 3.2

ph-index = 6

Forward Citations = 612(Granted Patents)


Location History:

  • Kawasaki, JP (1993 - 1994)
  • Yokohama, JP (1989 - 1996)
  • Tsukuba, JP (1996)

Company Filing History:


Years Active: 1989-1996

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8 patents (USPTO):Explore Patents

Title: Masashi Ozeki: Innovator in Semiconductor Technology

Introduction

Masashi Ozeki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work focuses on innovative devices and methods that enhance the performance and efficiency of semiconductor materials.

Latest Patents

One of Ozeki's latest patents is the GaAs MIS device. This invention features a combination of a semiconductor region primarily consisting of Al.sub.x Ga.sub.1-x As, an insulating film made of GaAs.sub.x P.sub.y O.sub.z, and a passivation film. The laminated insulating film is designed to have an extremely low leakage current, enabling the realization of an excellent MISFET by forming a gate electrode on its surface. Another notable patent is the method for growing a hetero-epitaxially grown compound semiconductor substrate. This method involves growing a gallium arsenide single crystal layer on a silicon substrate through a buffer layer of aluminium arsenide, utilizing atomic layer epitaxy.

Career Highlights

Throughout his career, Masashi Ozeki has worked with leading companies in the semiconductor industry, including Fujitsu Corporation and Asahi Kogyosha Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in semiconductor technology.

Collaborations

Ozeki has collaborated with notable colleagues such as Nobuyuki Ohtsuka and Kuninori Kitahara. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the semiconductor field.

Conclusion

Masashi Ozeki's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His innovative work continues to impact the industry and pave the way for future advancements.

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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