Kanagawa, Japan

Hiroyuki Yaegashi

This inventor holds 6 USPTO granted patents and 2 published patent applications. Top assignee: Fujifilm Corporation. Active years: 2010-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Yaegashi. Retrieved from https://idiyas.com/inventor/hiroyuki-yaegashi

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

USPTO Granted Patents = 6 

% Patents Active = 66.7

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 71(Granted Patents)


Company Filing History:


Years Active: 2010-2013

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6 patents (USPTO):Explore Patents

Title: Hiroyuki Yaegashi: Innovator in Thin Film Technology

Introduction

Hiroyuki Yaegashi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electronics, particularly in the development of thin film technology. With a total of 6 patents to his name, Yaegashi continues to push the boundaries of innovation.

Latest Patents

Yaegashi's latest patents include advancements in thin film field effect transistors and electronic devices. One of his notable inventions is a thin film field effect transistor that comprises a substrate, a gate electrode, a gate insulating layer, an active layer, a source electrode, a drain electrode, and a protective layer. The active layer contains an amorphous oxide with metals such as In, Sn, Zn, and Cd. Additionally, the transistor features an electric resistance layer that includes an oxide or nitride with metals like Ga, Al, Mg, Ca, and Si. Another significant patent involves an electronic device that includes a first electrode made of an Mo—Nb alloy, an insulating film, and a second electrode, along with a method for producing this electronic device.

Career Highlights

Hiroyuki Yaegashi is currently employed at Fujifilm Corporation, where he applies his expertise in electronics and materials science. His work has been instrumental in advancing the company's technological capabilities and product offerings.

Collaborations

Yaegashi has collaborated with notable colleagues such as Rui Shen and Yoshihiro Aburaya. These partnerships have fostered innovation and contributed to the successful development of new technologies.

Conclusion

Hiroyuki Yaegashi is a key figure in the field of thin film technology, with a strong portfolio of patents that reflect his innovative spirit. His contributions continue to shape the future of electronic devices and materials.

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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