Hiroshima, Japan

Shigeo Hayashi

This inventor holds 3 USPTO granted patents. Top assignee: Other. Active years: 2000-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Hayashi. Retrieved from https://idiyas.com/inventor/shigeo-hayashi-6vcuws32

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 = 4.3

ph-index = 2

Forward Citations = 89(Granted Patents)


Location History:

  • Kuboyama-cho, Hachioji-shi, Tokyo, JP (2000)
  • Hiroshima, JP (2001 - 2003)

Company Filing History:

goldMedal3 out of 834,659 
Other
 patents

Years Active: 2000-2003

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3 patents (USPTO):Explore Patents

Title: Innovations by Shigeo Hayashi

Introduction

Shigeo Hayashi is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of liquid infusion technology, holding three patents that showcase his innovative approach to medical devices. His work focuses on enhancing the efficiency and accuracy of liquid infusion systems.

Latest Patents

Hayashi's latest patents include a liquid infusion apparatus and a liquid transportation apparatus. The liquid infusion apparatus features a design that includes an outer cylinder of a syringe, a driver for pushing the plunger, and an incremental linear encoder to monitor the plunger's movement. This apparatus also incorporates a sensor to detect the remaining liquid quantity, ensuring precise operation. The liquid transportation apparatus similarly utilizes an incremental linear encoder to track the movement of a carriage that applies pressure to the plunger. It includes a pressure sensor to detect negative pressure and a mechanism for securely holding the plunger in place during operation.

Career Highlights

Throughout his career, Hayashi has demonstrated a commitment to advancing medical technology. His inventions have the potential to improve patient care by providing more reliable and efficient methods for administering liquid medications. His innovative designs reflect a deep understanding of both engineering principles and medical needs.

Collaborations

Hayashi has collaborated with notable colleagues such as Seiji Kojima and Katumi Tominaga. Their combined expertise has contributed to the development of advanced technologies in the field of liquid infusion.

Conclusion

Shigeo Hayashi's contributions to liquid infusion technology highlight his role as a leading inventor in this specialized field. His patents reflect a dedication to improving medical devices, ultimately benefiting healthcare practices.

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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