Tokyo, Japan

Daisuke Tsurumi

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2010-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisuke Tsurumi. Retrieved from https://idiyas.com/inventor/daisuke-tsurumi

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


% Patents Active = 33.3

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2010-2014

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3 patents (USPTO):Explore Patents

Title: Daisuke Tsurumi: Innovator in Semiconductor Technology

Introduction

Daisuke Tsurumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in memory devices. With a total of 3 patents to his name, Tsurumi continues to push the boundaries of innovation in this critical area of electronics.

Latest Patents

One of Tsurumi's latest patents is a semiconductor memory device that includes a stacked gate having a charge storage layer and a control gate, along with a method of manufacturing the same. This innovative device features a source region, a drain region, a channel region, a charge storage layer, and a control gate electrode. The source and drain regions are formed separately on the surface of a semiconductor substrate. The channel region is situated between the source and drain regions within the substrate. The charge storage layer is positioned on the channel region, separated by a first insulating film. The control gate electrode is placed on the charge storage layer, with a second insulating film in between. Notably, the control gate has an upper corner portion rounded with a radius of curvature of 5 nm or more, enhancing its performance.

Career Highlights

Daisuke Tsurumi is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to develop cutting-edge semiconductor solutions that are vital for modern electronic devices. Tsurumi's expertise in semiconductor memory devices has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Tsurumi has collaborated with notable colleagues, including Haruhiko Koyama and Mitsuhiro Noguchi. These collaborations have fostered an environment of innovation and have contributed to the advancement of semiconductor technologies.

Conclusion

Daisuke Tsurumi is a distinguished inventor whose work in semiconductor technology has led to significant advancements in memory devices. His contributions continue to shape the future of electronics, making him a vital player in the field.

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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