Tokyo, Japan

Yasuhiro Motoyama

This inventor holds 20 USPTO granted patents and 2 published patent applications. Top assignees: Renesas Technology Corp., Renesas Electronics Corporation, Hitachi, Ltd.. Active years: 2001-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Motoyama. Retrieved from https://idiyas.com/inventor/yasuhiro-motoyama

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

USPTO Granted Patents = 20 

% Patents Active = 40.0

Average Co-Inventor Count = 6.2

ph-index = 6

Forward Citations = 108(Granted Patents)


Location History:

  • Kodaira, JP (2001 - 2008)
  • Hachioji, JP (2007 - 2011)
  • Kanagawa, JP (2012)
  • Tokyo, JP (2008 - 2013)

Company Filing History:


Years Active: 2001-2013

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20 patents (USPTO):Explore Patents

Title: Innovations in Semiconductor Technology: The Contributions of Yasuhiro Motoyama

Introduction: Yasuhiro Motoyama, a notable inventor based in Tokyo, Japan, has made significant advancements in the semiconductor industry. With a portfolio of 20 patents, his innovative methods for manufacturing semiconductor integrated circuit devices have garnered attention and acclaim in the field.

Latest Patents: Among his latest innovations, Motoyama has developed a manufacturing method of a semiconductor integrated circuit device that enhances the testing process. This method allows for the probing of test pads without damaging the circuits formed in the chip during a probe test. By integrating components such as a load jig, pressing tool, elastomer, adhesion ring, and plunger with a nut and bolt fixation, Motoyama's design optimizes the testing efficiency. The thrust from a spring towards a thin film sheet ensures precision during testing.

Additionally, he has devised another method that minimizes the variation in contact pressures across multiple contacts to chip electrodes. This innovation features a thin-film sheet with a principal surface where contactors are strategically arranged, along with a rear surface housing wirings and dummy wiring. This meticulous arrangement facilitates consistent contact pressure, vital for the reliability of semiconductor devices.

Career Highlights: Throughout his career, Yasuhiro Motoyama has worked for esteemed companies, including Renesas Technology Corporation and Renesas Electronics Corporation. His contributions to these organizations have been instrumental in advancing semiconductor technology, driving innovation and ensuring high-quality manufacturing processes.

Collaborations: Motoyama's work has been enriched by collaborations with accomplished professionals in the field, such as Akio Hasebe and Yasunori Narizuka. These partnerships have allowed for the exchange of ideas and techniques, ultimately elevating the standard of their collective innovations.

Conclusion: Yasuhiro Motoyama's inventive spirit and dedication to improving semiconductor technologies underscore his pivotal role in the industry. Through his patents and collaborative efforts, he continues to influence the future of semiconductor manufacturing, making notable strides that will benefit both companies and consumers alike.

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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