Kurobe, Japan

Yoichi Hirokawa

This inventor holds 1 USPTO granted patent. Top assignee: Yoshida Kogyo K.k.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Hirokawa. Retrieved from https://idiyas.com/inventor/yoichi-hirokawa-vd7rxw6s

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 = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Yoichi Hirokawa: Innovator in Slide Fastener Technology

Introduction

Yoichi Hirokawa is a notable inventor based in Kurobe, Japan. He has made significant contributions to the field of slide fastener technology. His innovative approach has led to the development of a unique method and apparatus for supplying sliders to slide fastener stringers.

Latest Patents

Hirokawa holds 1 patent for his invention titled "Method and apparatus for supplying sliders to slide fastener stringers." This patent discloses a method and apparatus designed to attach sliders to slide fastener stringers in motion along a designated path. The apparatus includes a slider chute that delivers sliders in an upright posture, a mechanism for supporting the slider, and a gripper that nips the slider on opposite lateral surfaces. This invention enhances the efficiency of the slider attachment process.

Career Highlights

Hirokawa is associated with Yoshida Kogyo K.K., a company known for its advancements in fastener technology. His work has been instrumental in improving manufacturing processes within the industry. His dedication to innovation has positioned him as a key figure in the development of slide fastener solutions.

Collaborations

Hirokawa collaborates with Tsutomu Hakoi, contributing to the advancement of their shared projects. Their teamwork exemplifies the importance of collaboration in driving innovation.

Conclusion

Yoichi Hirokawa's contributions to slide fastener technology through his innovative patent demonstrate his commitment to enhancing manufacturing processes. His work continues to influence the 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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