Tokyo, Japan

Motoaki Etoh

This inventor holds 6 USPTO granted patents. Top assignee: Fuji Jukogyo Kabushiki Kaisha. Active years: 1978-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoaki Etoh. Retrieved from https://idiyas.com/inventor/motoaki-etoh

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 = 1.8

ph-index = 5

Forward Citations = 66(Granted Patents)


Location History:

  • Ageo, JP (1978)
  • Ageo, JA (1978)
  • Tokyo, JP (1989 - 1990)

Company Filing History:


Years Active: 1978-1990

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6 patents (USPTO):Explore Patents

Title: Motoaki Etoh: Innovator in Engine Technology

Introduction

Motoaki Etoh is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engine technology, holding a total of 6 patents. His innovative designs focus on improving the efficiency and functionality of internal combustion engines.

Latest Patents

One of his latest patents is an oil pump mounting system for internal combustion engines. This system features an oil pump housed within an oil pan, which feeds oil through an output shaft. The design includes a driving shaft supported at both ends by the engine's output shaft and a bearing portion in the oil pan. An oil suction port is strategically placed to ensure operation even when the engine is inclined. Another notable patent is for a crankcase of a forced air-cooled engine. This engine includes a cooling fan mounted on the crankshaft and features a double-wall construction with cooling air passages. These passages direct cooling air against the outer surface of the crankcase, enhancing the engine's cooling efficiency.

Career Highlights

Motoaki Etoh is associated with Fuji Jukogyo Kabushiki Kaisha, where he has been instrumental in developing innovative engine technologies. His work has significantly impacted the automotive industry, particularly in enhancing engine performance and reliability.

Collaborations

Throughout his career, Etoh has collaborated with talented individuals such as Keisuke Ishii and Katuhiko Ohno. These collaborations have fostered a creative environment that has led to groundbreaking advancements in engine technology.

Conclusion

Motoaki Etoh's contributions to engine technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative designs continue to influence the automotive industry and improve engine performance.

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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