Obu, Japan

Koichi Iwata

This inventor holds 3 USPTO granted patents. Top assignee: Aisan Kogyo Kabushiki Kaisha. Active years: 1998-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Iwata. Retrieved from https://idiyas.com/inventor/koichi-iwata-5lvgvnpr

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1998-2006

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3 patents (USPTO):Explore Patents

Title: Inventor Koichi Iwata: Innovating Fuel Pump Efficiency

Introduction

Koichi Iwata, an accomplished inventor based in Obu, Japan, has made significant contributions to the field of fuel pump technology. With a total of three patents to his name, Iwata's innovations focus on enhancing the efficiency and reliability of fuel pumps.

Latest Patents

Iwata's latest patents showcase his engineering prowess. One notable invention is a mass-produced fuel pump designed with a stable pump efficiency. This innovative design features a circumferential groove within the pump body, strategically divided into three regions: a first region with a constant cross-sectional area, a second region that gradually diminishes in size towards the downstream side, and a third region maintaining a constant cross-sectional area. An inclined suction hole within the pump body further optimizes the fuel intake by communicating with the groove in the first region. This feature minimizes variations in fuel suction, thereby stabilizing pump efficiency across mass-produced units.

In another patent, Iwata has created a fuel pump that maximizes pump efficiency while ensuring longevity. This design incorporates a relatively large clearance in areas with lower flow passage groove pressure to accommodate expected wear. Conversely, regions with higher flow passage groove pressure are designed with a smaller clearance, reducing the risk of unnecessary wear and enhancing the overall service life of the pump.

Career Highlights

Iwata's career has been marked by a commitment to innovation in fuel pump technology. Working at Aisan Kogyo Kabushiki Kaisha, he has focused on developing solutions that address inefficiencies in traditional fuel pumps. His patents reflect a deep understanding of fluid dynamics and mechanical design, positioning him as a key player in the automotive industry.

Collaborations

Throughout his career, Iwata has collaborated with notable coworkers, including Yoshihiko Honda and Kazumichi Hanai. These partnerships have fostered a creative environment that encourages the development of advanced technologies, further enhancing the capabilities and reliability of fuel systems.

Conclusion

In summary, Koichi Iwata stands as a distinguished inventor whose contributions to fuel pump technology are noteworthy. His patents not only reflect innovative solutions to common problems in fuel efficiency but also highlight his dedication to improving the performance of mass-produced fuel pumps. With ongoing collaborations and a solid foundation in engineering, Iwata's future endeavors promise to continue driving advancements in the automotive sector.

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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