Anjo, Japan

Mitsutoshi Hagiwara

This inventor holds 6 USPTO granted patents. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1990-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsutoshi Hagiwara. Retrieved from https://idiyas.com/inventor/mitsutoshi-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 = 1.8

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Toyota, JP (1990)
  • Kariya, JP (1993)
  • Aichi, JP (1996)
  • Anjyo, JP (1998 - 1999)

Company Filing History:


Years Active: 1990-1999

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Mitsutoshi Hagiwara

Introduction

Mitsutoshi Hagiwara is a notable inventor based in Anjyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of water pump technology. With a total of six patents to his name, Hagiwara's work has had a considerable impact on the industry.

Latest Patents

Hagiwara's latest patents include innovative designs for water pumps. One of his patents describes a water pump equipped with pressure-feed means that allows coolant leaking into the space between a bearing and a seal member in the pump housing to be forcibly fed into a radiator reservoir tank for recovery. Another similar patent outlines a water pump that also utilizes pressure-feed means to recover coolant that has leaked into the same space, ensuring efficient operation and reduced waste.

Career Highlights

Hagiwara is currently employed at Aisin Seiki Kabushiki Kaisha, a leading company in the automotive parts industry. His work at Aisin Seiki has allowed him to apply his inventive skills to practical applications, contributing to the company's reputation for innovation and quality.

Collaborations

Throughout his career, Hagiwara has collaborated with talented individuals such as Yasuo Ozawa and Itsuro Hashiguchi. These collaborations have fostered a creative environment that has led to the development of advanced technologies and solutions in their field.

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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