Nagano, Japan

Issei Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Nissei Plastic Industrial Co., Ltd.. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Issei Yamaguchi. Retrieved from https://idiyas.com/inventor/issei-yamaguchi

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Issei Yamaguchi: Innovator in Electric Injection Technology

Introduction

Issei Yamaguchi is a notable inventor based in Nagano-ken, Japan. He has made significant contributions to the field of electric injection technology, particularly through his innovative patent. His work is recognized for enhancing the efficiency and stability of injection processes in industrial applications.

Latest Patents

Yamaguchi holds a patent for an electric injection apparatus. This apparatus comprises a hydraulic cylinder designed for back pressure control. The design includes rear and front supports that are integrally coupled by a tie bar, maintaining a predetermined spacing. A heating barrel with an injection screw is attached to the front support. Notably, a screw thrust member is movably arranged between the supports, allowing for the tie bar to penetrate through it. The hydraulic cylinder is isolated from the heating barrel, which eliminates thermal effects and ensures stable back pressure control during prolonged use. This innovation is crucial for improving the reliability of injection molding processes.

Career Highlights

Issei Yamaguchi is associated with Nissei Plastic Industrial Co., Ltd., where he has contributed to advancements in plastic injection technology. His expertise and innovative mindset have positioned him as a key figure in the industry.

Collaborations

Yamaguchi has worked alongside talented colleagues such as Satoru Tokida and Masashi Suda. Their collaborative efforts have furthered the development of innovative solutions in the field of injection technology.

Conclusion

Issei Yamaguchi's contributions to electric injection technology exemplify the impact of innovation in industrial processes. His patent for the electric injection apparatus showcases his commitment to enhancing efficiency and stability in manufacturing.

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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