Hamamatsu, Japan

Makoto Nagafusa

This inventor holds 4 USPTO granted patents. Top assignees: Sanshin Kogyo Kabushiki Kaisha, Sanshin Industries Co., Ltd.. Active years: 1993-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Nagafusa. Retrieved from https://idiyas.com/inventor/makoto-nagafusa-csbyfpyo

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 = 1.4

ph-index = 4

Forward Citations = 53(Granted Patents)


Company Filing History:


Years Active: 1993-1997

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4 patents (USPTO):Explore Patents

Title: Makoto Nagafusa: Innovator in Marine Technology

Introduction

Makoto Nagafusa is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to marine technology, particularly in the design of watercraft systems. With a total of 4 patents to his name, Nagafusa's innovations have enhanced the functionality and efficiency of marine propulsion units.

Latest Patents

One of his latest patents is the "Jump pump arrangement for jet boat." This invention features a water-removal assembly designed to eliminate accumulated water from the bilge of a watercraft hull. It includes a jet propulsion unit with an impeller and a water pickup located in the engine compartment. The assembly is equipped with a check valve that prevents water from entering the bilge, ensuring optimal performance. Another significant patent is the "Remote-control device for marine propulsion unit." This device incorporates a remote-control lever that manages both shifting and throttle operations. It features a unique shift range that allows for specific operations, enhancing user control over the marine propulsion unit.

Career Highlights

Throughout his career, Nagafusa has worked with reputable companies such as Sanshin Kogyo Kabushiki Kaisha and Sanshin Industries Co., Ltd. His experience in these organizations has contributed to his expertise in marine technology and innovation.

Collaborations

Nagafusa has collaborated with talented individuals in the field, including Shinji Yoshida and Yasuhiko Henmi. These partnerships have fostered a creative environment that has led to the development of groundbreaking marine technologies.

Conclusion

Makoto Nagafusa's contributions to marine technology through his innovative patents demonstrate his commitment to enhancing watercraft performance. His work continues to influence the industry and inspire future innovations.

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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