Chiyoda, Japan

Akihiko Yamamoto

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Construction Machinery Co., Ltd.. Active years: 1978-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Yamamoto. Retrieved from https://idiyas.com/inventor/akihiko-yamamoto

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


% Patents Active = 100.0


Average Co-Inventor Count = 5.2

ph-index = 9

Forward Citations = 212(Granted Patents)


Location History:

  • Niihari, JP (1978 - 1987)
  • Toukai, JP (1991)
  • Ibaraki, JP (1986 - 1994)
  • Chiyoda-machi, JP (1998)
  • Ibaraki-ken, JP (2000)
  • Chiyoda, JP (1999 - 2003)

Company Filing History:


Years Active: 1978-2003

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13 patents (USPTO):Explore Patents

Title: The Innovative Mind of Akihiko Yamamoto

Introduction

Akihiko Yamamoto, based in Chiyoda, Japan, is an esteemed inventor known for his contributions to various fields of technology. With a remarkable portfolio of 13 patents, he has demonstrated a keen ability to innovate and develop advanced solutions that enhance efficiency and effectiveness in industrial applications.

Latest Patents

Among his latest innovations are two significant patents that showcase his expertise. The first patent relates to crawlers, where he introduced hardened surface layers of nitride or other compounds, which exhibit higher hardness than dirt or soil. This innovation is pivotal in preventing wear and tear on the components of crawler belts, thus extending their durability. Additionally, he has developed a system of resinous sliding bearings placed strategically within the metal bushes of the crawler belt, further enhancing the performance and reliability of this equipment.

His second notable patent involves a displacement type compressor, characterized by a scroll design comprising both a stationary and a rotary scroll. This invention features a tin compound film on the rotary scroll which prevents peeling and enhances sealability, resulting in improved long-term operation of the compressor.

Career Highlights

Akihiko Yamamoto's professional journey includes significant roles at renowned companies such as Hitachi, Ltd. and Hitachi Construction Machinery Co., Ltd. His work in these organizations has allowed him to apply his innovative ideas and contribute to groundbreaking technologies.

Collaborations

Yamamoto has collaborated with notable colleagues in his field, including Toshihiro Yamada and Eiichi Satoh. Together, they have shared expertise and insights, fostering a collaborative environment that has spurred further innovations.

Conclusion

Akihiko Yamamoto's contributions to the fields of technology and engineering through his patents reflect his dedication to innovation. His inventions not only address current industrial challenges but also pave the way for future advancements in the industry. As he continues to develop new technologies, his influence in the realm of inventions remains significant and inspiring.

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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