Akishima, Japan

Shinpei Iijima

This inventor holds 32 USPTO granted patents, primarily in Semiconductor Devices. Top assignees: Hitachi, Ltd., Elpida Memory, Inc., Texas Instruments Corporation. Active years: 1988-2013.

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

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


% Patents Active = 46.9

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 448(Granted Patents)


Location History:

  • Akishima, JP (1988 - 2007)
  • Chuo-ku, JP (2009)
  • Tokyo, JP (2001 - 2013)

Company Filing History:


Years Active: 1988-2013

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Areas of Expertise:
Semiconductor Device
Integrated Circuit
Capacitor Structure
Memory Cell
Stacked Capacitor
Phase-Change Memory
Adhesion-Improvement
Thermal Treatment
Transistor
Dielectric Film
CVD
Leak Current
32 patents (USPTO):Explore Patents

Title: Shinpei Iijima: Innovator in Semiconductor Technology

Introduction: Shinpei Iijima, based in Akishima, Japan, stands out as a prominent inventor with an impressive portfolio of 32 patents. His contributions to the field of semiconductor technology have been vital in advancing the industry and enhancing device efficiency.

Latest Patents: Among his most recent innovations is a patent pertaining to a semiconductor device and its manufacturing method. This invention outlines a systematic process that begins with forming a pillar on a semiconductor substrate. A first insulating film is then applied to cover the side surface of the pillar. The method proceeds with removing the upper portion of this insulating film to reveal the side surface of the pillar’s upper section. Finally, a contact plug is established, creating contact with both the side surface and top surface of the pillar. This innovative approach holds significant implications for improving semiconductor device performance.

Career Highlights: Throughout his career, Shinpei Iijima has been associated with leading companies in the technology sector. Notably, he has worked with Hitachi, Ltd. and Elpida Memory, Inc., where he honed his expertise and contributed to various advancements in semiconductor technology.

Collaborations: Iijima has collaborated with notable professionals in his field, including Masahiko Hiratani and Isamu Asano. These partnerships have further enhanced his research capabilities and have played a crucial role in the development of his innovative designs.

Conclusion: Shinpei Iijima is a distinguished inventor whose work in semiconductor devices showcases his significant contributions to technology. With numerous patents to his name, his ongoing innovations promise to influence the future of semiconductor manufacturing and application.

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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