Saitama, Japan

Toshiro Ijima

This inventor holds 5 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Other. Active years: 2002-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiro Ijima. Retrieved from https://idiyas.com/inventor/toshiro-ijima

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


% Patents Active = 20.0

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Saitama, JP (2002 - 2004)
  • Wako, JP (2003 - 2004)

Company Filing History:


Years Active: 2002-2004

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5 patents (USPTO):Explore Patents

Title: Toshiro Ijima: Innovator in Water Pump Technology

Introduction

Toshiro Ijima is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in the development of innovative water pump technologies. With a total of 5 patents to his name, Ijima's work reflects a commitment to enhancing mechanical efficiency and functionality.

Latest Patents

Among his latest patents, Ijima has developed an impeller for water pumps. This impeller features a main body made of synthetic resin, with a vane member designed around a rotating center portion. The design includes a metal boss that consists of a circular boss member and a periaxial support boss member, which are consecutively formed in the axial direction. This innovative structure allows for improved performance in water pumping applications.

Another notable invention is a resinous hose, which is produced through a specialized process. This hose comprises cylindrical portions that extend rectilinearly, along with a bent bellows portion. The bellows portion features a wall with continuous crests and valleys, enhancing its flexibility and durability. The design ensures that the outside diameter of the valleys is smaller than that of the cylindrical portions, while the non-bellows wall has a larger diameter, optimizing its functionality.

Career Highlights

Throughout his career, Toshiro Ijima has worked with prominent companies, including Honda Motor Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects. His work has been instrumental in advancing technologies that improve mechanical systems.

Collaborations

Ijima has collaborated with talented individuals such as Ryouhei Adachi and Fei Song. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.

Conclusion

Toshiro Ijima's contributions to the field of engineering, particularly in water pump technology, demonstrate his innovative spirit and dedication to improving mechanical systems. His patents reflect a deep understanding of materials and design, making him a significant figure in the world of inventions.

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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