Takasaki, Japan

Kentaro Ooishi

This inventor holds 12 USPTO granted patents and 1 published patent application. Top assignees: Hitachi Ulsi Systems Co., Ltd., Renesas Electronics Corporation, Renesas Technology Corp.. Active years: 2003-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kentaro Ooishi. Retrieved from https://idiyas.com/inventor/kentaro-ooishi

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

USPTO Granted Patents = 12 

% Patents Active = 41.7

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 72(Granted Patents)


Company Filing History:


Years Active: 2003-2017

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12 patents (USPTO):Explore Patents

Title: Kentaro Ooishi: Innovator in Semiconductor Technology

Introduction

Kentaro Ooishi, an inventive mind based in Takasaki, Japan, has made significant contributions to the field of semiconductor technology. With a remarkable portfolio of 12 patents, his work focuses primarily on innovative semiconductor devices and methods of fabrication that enhance efficiency and performance.

Latest Patents

One of his latest patents is centered around a semiconductor device featuring a Field Effect Transistor (FET) of a trench-gate structure. This innovative device is designed by disposing a conductive layer, acting as the gate, within a trench that extends into the main surface of a semiconductor substrate. The design ensures that the upper surface of the trench-gate conductive layer is equal to or higher than that of the semiconductor substrate. This arrangement creates a substantially flat or concave upper surface of the trench gate, allowing for efficient formation through ion implantation that addresses the challenge of source offset.

Career Highlights

Kentaro has garnered extensive experience working with prominent companies in the tech industry, including Hitachi ULSI Systems Co., Ltd. and Renesas Electronics Corporation. His valuable contributions in these organizations have had a lasting impact on semiconductor device engineering and fabrication methods.

Collaborations

Throughout his career, Kentaro has collaborated with accomplished professionals such as Hiroshi Inagawa and Nobuo Machida. Together, they have pursued groundbreaking advancements that continue to shape the semiconductor landscape.

Conclusion

Kentaro Ooishi's work exemplifies innovation and excellence in semiconductor technology. His patents not only highlight his expertise but also contribute to the evolution of modern electronic devices, making him a respected figure in the field of inventions and patents.

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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