Sagamihara, Japan

Shinpei Hijiya

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinpei Hijiya. Retrieved from https://idiyas.com/inventor/shinpei-hijiya

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 = 2.4

ph-index = 3

Forward Citations = 58(Granted Patents)


Company Filing History:


Years Active: 1981-1992

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3 patents (USPTO):Explore Patents

Title: The Innovations of Shinpei Hijiya

Introduction

Shinpei Hijiya is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of semiconductor technology, particularly in nonvolatile memory devices. With a total of 3 patents to his name, Hijiya's work has had a considerable impact on the industry.

Latest Patents

Hijiya's latest patents include a nonvolatile semiconductor memory device and a semiconductor non-volatile memory device. The nonvolatile semiconductor memory device comprises a substrate, a pair of source and drain regions, and a channel region between them. It features a pair of first and second insulating layers on the channel region, with a floating gate or traps positioned between these layers. Notably, the band gap of the first insulating layer increases gradually from the substrate to the floating gate or traps.

The semiconductor non-volatile memory device includes a memory transistor with source, drain, and channel regions, along with a first insulation film and a floating gate. Additionally, it has a switching transistor that connects the first impurity region of the memory transistor to the second drain region of the switching transistor. This innovative design allows for efficient information writing and reading processes.

Career Highlights

Shinpei Hijiya is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge technologies in semiconductor memory. His work has been instrumental in advancing the capabilities of nonvolatile memory devices, which are essential for modern electronic applications.

Collaborations

Hijiya has collaborated with notable colleagues such as Takashi Ito and Takao Nozaki. Their combined expertise has contributed to the successful development of innovative semiconductor technologies.

Conclusion

Shinpei Hijiya's contributions to the field of semiconductor technology are noteworthy. His patents reflect a deep understanding of nonvolatile memory devices, and his work continues to influence the industry.

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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