Shiroyama, Japan

Kyoji Yuyama

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Microcomputer Engineering, Ltd.. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoji Yuyama. Retrieved from https://idiyas.com/inventor/kyoji-yuyama

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 = 2.0

ph-index = 2

Forward Citations = 168(Granted Patents)


Company Filing History:


Years Active: 1991-1992

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2 patents (USPTO):Explore Patents

Title: Kyoji Yuyama: Innovator in Semiconductor Technology

Introduction

Kyoji Yuyama is a notable inventor based in Shiroyama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work has had a lasting impact on the design and functionality of integrated circuits.

Latest Patents

Yuyama's latest patents include a "Semiconductor integrated circuit device with improved connection pattern." This invention features a semiconductor integrated circuit device that comprises a plurality of first wirings extending in a first direction and a plurality of second wirings extending in a second direction, which defines an acute angle relative to the first direction. The ends of these wirings have connection portions shaped like regular hexagons or circles. Another significant patent is for "Wiring design for semiconductor integrated circuits." This method involves design processes where rough routes are designated after completing the cell layout design. Subsequently, wirings between cells are automatically generated based on these rough routes, followed by an investigation of the wiring characteristics to ensure that a detailed wiring pattern meets all required electrical and physical conditions.

Career Highlights

Throughout his career, Kyoji Yuyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Microcomputer Engineering, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Yuyama has collaborated with several talented individuals in his field, including Mikinori Kawaji and Kouichi Nishizawa. These collaborations have fostered innovation and have been instrumental in the development of new technologies.

Conclusion

Kyoji Yuyama's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and functionality of integrated circuits, showcasing the importance of innovation in technology.

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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