Mie, Japan

Hiroshi Kitamura

This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kitamura. Retrieved from https://idiyas.com/inventor/hiroshi-kitamura-vevza2h4

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


% Patents Active = 75.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 50(Granted Patents)


Location History:

  • Kadoma, JP (1991 - 1993)
  • Mie, JP (2003 - 2004)

Company Filing History:


Years Active: 1991-2004

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4 patents (USPTO):Explore Patents

Title: Hiroshi Kitamura: Innovator in Motor Technology

Introduction

Hiroshi Kitamura is a notable inventor based in Mie, Japan. He has made significant contributions to motor technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of motors, showcasing his expertise in engineering and innovation.

Latest Patents

One of Kitamura's latest patents involves a motor design that incorporates a cup ring and a holding plate to secure the outer ring of a front ball-bearing. This design prevents creep between the bearing housing and the outer ring, ensuring smoother operation. The thickness of the bearing shim is meticulously adjusted to maintain a distance of less than 0.1 mm between the cup ring and the outer ring. Additionally, the holding plate is designed to temporarily fix to the motor shaft, allowing for solid contact with the outer ring of the front ball bearing. Another innovative patent is for a geared motor that features a spline on a hollow shaft, enabling direct coupling to an external apparatus. This design optimizes the location of the screw blocks to minimize rotational torque, enhancing the overall performance of the geared motor.

Career Highlights

Hiroshi Kitamura is currently employed at Matsushita Electric Industrial Co., Ltd., where he continues to develop cutting-edge technologies in motor design. His career is marked by a commitment to innovation and excellence in engineering.

Collaborations

Throughout his career, Kitamura has collaborated with esteemed colleagues such as Mizuo Komine and Yukio Chihara. These partnerships have contributed to the advancement of motor technology and the successful development of various patents.

Conclusion

Hiroshi Kitamura's contributions to motor technology through his innovative patents reflect his dedication to engineering excellence. His work continues to influence the field, showcasing the importance of innovation in driving technological advancements.

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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