Tokyo, Japan

Jun-ichi Hirai

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun-ichi Hirai. Retrieved from https://idiyas.com/inventor/jun-ichi-hirai-3dh3tibw

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 = 1(Granted Patents)


Company Filing History:


Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Jun-ichi Hirai and His Contributions to Particle Therapy Technology

Introduction: Jun-ichi Hirai is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to particle therapy systems. With a profound background in engineering and innovations, he has been instrumental in developing cutting-edge technologies that enhance cancer treatment methods.

Latest Patents: Jun-ichi Hirai holds a patent for a "Resin laminate ridge filter for particle therapy system and manufacturing method thereof." This innovative ridge filter is designed to improve the efficacy of particle therapy systems by incorporating a repeating structure body with multiple extending parts that align with the incident direction of a proton beam. The filter is integrally formed with a bottom plate using a molding method, and both components are crafted from a laminate of resin, ensuring durable and efficient performance in therapeutic applications.

Career Highlights: Hirai has established himself as a key player at Hitachi, Ltd., where he has dedicated his expertise to advancing technology in health care applications. His work not only exemplifies technical innovation but also showcases the potential for engineering to directly impact patient outcomes in cancer treatment.

Collaborations: Throughout his career, Jun-ichi Hirai has collaborated with esteemed colleagues, including Satoshi Arai and Hiroaki Furuichi. These partnerships have enabled him to drive forward innovative projects and share insights that strengthen the development of particle therapy technologies.

Conclusion: Jun-ichi Hirai's contributions to the field of particle therapy through his inventive work serve as a testament to the power of innovation in health care. His patent illustrates the valuable intersection of engineering and medicine, underscoring the vital role that inventors play in transforming treatment methodologies to improve patient care.

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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