Tokyo, Japan

Hisao Hagiwara

This inventor holds 3 USPTO granted patents. Top assignees: Kabushiki Kaisha Yakult Honsha, Other. Active years: 1983-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Hagiwara. Retrieved from https://idiyas.com/inventor/hisao-hagiwara

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 = 3.8

ph-index = 3

Forward Citations = 63(Granted Patents)


Location History:

  • Amagasaki, JP (1983)
  • Tokyo, JP (1987 - 2004)

Company Filing History:


Years Active: 1983-2004

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3 patents (USPTO):Explore Patents

Title: Hisao Hagiwara: Innovator in Exhaust Systems and Memory Disorders

Introduction

Hisao Hagiwara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of exhaust systems and pharmacology, holding a total of 3 patents. His innovative work has the potential to impact both automotive technology and medical treatments.

Latest Patents

One of Hagiwara's latest patents is an exhaust heat exchanger with a catalyst. This invention is designed for use in the exhaust system of internal combustion engines. The system features a catalyst chamber within a water chamber, allowing for efficient heat exchange between exhaust gases and cooling water. Another significant patent is an anti-amnestic agent, which includes prolinal derivatives as active ingredients. This agent is designed to treat memory disorders with reduced toxicity, making it safe for oral or intravenous administration.

Career Highlights

Hagiwara has worked with Kabushiki Kaisha Yakult Honsha, where he contributed to various innovative projects. His experience in the industry has allowed him to develop technologies that bridge the gap between engineering and healthcare.

Collaborations

Some of his notable coworkers include Tadashi Miyasaka and Masahiko Mutai. Their collaborative efforts have likely contributed to the advancements in Hagiwara's inventions.

Conclusion

Hisao Hagiwara's work exemplifies the intersection of technology and health, showcasing his innovative spirit and dedication to improving both automotive and medical fields. His contributions continue to influence advancements in these areas.

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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