Higashimatsuyama, Japan

Hiroshi Tai

This inventor holds 1 USPTO granted patent. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tai. Retrieved from https://idiyas.com/inventor/hiroshi-tai

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 = 5.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Hiroshi Tai: Innovator in Fuel Injection Technology

Introduction

Hiroshi Tai is a notable inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of fuel injection technology, particularly through his innovative designs and mechanisms. His work has been instrumental in enhancing the efficiency and performance of fuel injection systems.

Latest Patents

Hiroshi Tai holds a patent for a "Fuel injection pump having variable prestroke mechanism." This invention features a reciprocating plunger and a control sleeve that is slidably fitted over the plunger. The prestroke of the pump is varied by the vertical movement of the control sleeve. The upper end of the control sleeve is equipped with a fuel discharge groove, which allows for the discharge of fuel contained in a fuel-pressurizing chamber after the end of injection. Additionally, the control sleeve includes a pressure escape passage, enabling selective regulation of the fuel pressure in the pressurizing chamber.

Career Highlights

Hiroshi Tai has dedicated his career to advancing fuel injection technology. His innovative designs have led to improved fuel efficiency and performance in various applications. His patent reflects his commitment to engineering excellence and innovation in the automotive industry.

Collaborations

Hiroshi Tai has collaborated with notable colleagues, including Susumu Yamaguchi and Hiroshi Ishiwata. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in fuel injection systems.

Conclusion

Hiroshi Tai's contributions to fuel injection technology exemplify his innovative spirit and dedication to engineering. His patent for a variable prestroke mechanism showcases his ability to enhance fuel efficiency and performance. Through his work, he continues to influence the automotive industry positively.

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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