Tokyo, Japan

Yoichi Hirasawa

This inventor holds 8 USPTO granted patents. Top assignee: Hirata Corporation. Active years: 2009-2025.

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

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


% Patents Active = 75.0

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Shinagawa-ku, JP (2015 - 2016)
  • Tokyo, JP (2009 - 2018)
  • Kumamoto, JP (2021)

Company Filing History:


Years Active: 2009-2025

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8 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoichi Hirasawa: A Profile of a Visionary Inventor

Introduction: Yoichi Hirasawa, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of automated transport mechanisms and substrate handling systems. With a remarkable portfolio of eight patents, his innovations reflect a deep understanding of the challenges in material transport and handling technology.

Latest Patents: Hirasawa's latest inventions include a "Tray Transport Apparatus and Transfer System." This sophisticated apparatus is designed to enhance tray transport efficiency by featuring a reception portion for containers holding stacked trays, an accommodation portion to store the stack, a transfer unit to lift and separate the stack, and a transport unit that unloads the lowermost tray from the stack. Another notable patent is the "Transport Unit, Transfer Apparatus, and Transfer Method," which improves substrate transfer efficiency by positioning and correcting distorted substrates using innovative mechanisms that regulate the substrate's placement within the unloading position.

Career Highlights: Hirasawa has spent a significant portion of his career at Hirata Corporation, an established leader in automation technology. His work not only demonstrates technical excellence but also commitment to advancing industry standards in transport systems. Through his innovative designs, he has paved the way for more efficient manufacturing processes in various sectors.

Collaborations: Throughout his career, Hirasawa has collaborated with notable colleagues, including Shuichi Komuro and Katsuo Saito. These partnerships have fostered an environment of shared knowledge and creativity, further enhancing the quality and impact of his inventions.

Conclusion: Yoichi Hirasawa's contributions to the field of automated transport systems underline his importance as an inventor. His dedication to innovation, coupled with practical applications of his patents, continues to inspire future advancements in technology. With each new patent, Hirasawa solidifies his reputation as a leading figure in his industry, driving change through innovation.

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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