Uji, Japan

Yoshihisa Iwashita

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Hitachi, Ltd., Other. Active years: 1997-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Iwashita. Retrieved from https://idiyas.com/inventor/yoshihisa-iwashita

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 332(Granted Patents)


Location History:

  • Uji, JP (1997 - 2001)
  • Uji-shi, Kyoto JP (2002)

Company Filing History:


Years Active: 1997-2002

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3 patents (USPTO):Explore Patents

Title: Innovations of Yoshihisa Iwashita

Introduction

Yoshihisa Iwashita is a notable inventor based in Uji-shi, Kyoto, Japan. He has made significant contributions to the field of electromagnet technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of magnetic field generation.

Latest Patents

One of his latest patents is an electromagnet and magnetic field generating apparatus. This invention comprises a pair of magnetic poles, a return yoke, exciting coils, and other components. Within the interior portion of a magnetic pole, multiple spacers are arranged side by side in a horizontal direction. Each spacer acts as an air layer, with a longitudinal cross-section that is substantially rectangular. The spaces feature a lengthily extending slit shape in a vertical direction. The arrangement of these plural spaces is primarily toward the right side from a beam orbit center O, with the interval between adjacent spaces becoming narrower toward the right side. This design allows for a simple magnetic pole structure while securing a wide effective magnetic field area, particularly when maximizing magnetic field strength.

Career Highlights

Yoshihisa Iwashita has worked with prominent companies, including Hitachi, Ltd. His experience in the industry has contributed to his innovative approach to electromagnet technology.

Collaborations

Throughout his career, Iwashita has collaborated with notable individuals such as Junichi Hirota and Masahiro Tadokoro. These collaborations have likely influenced his inventive processes and outcomes.

Conclusion

Yoshihisa Iwashita's contributions to electromagnet technology demonstrate his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving magnetic field generation, which has significant implications for various applications.

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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