Otsu, Japan

Kiyoji Aburaya

This inventor holds 7 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Sumitomo Electric Industries, Limited. Active years: 1990-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoji Aburaya. Retrieved from https://idiyas.com/inventor/kiyoji-aburaya

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 = 5.3

ph-index = 6

Forward Citations = 106(Granted Patents)


Location History:

  • Ohtsu, JP (1990)
  • Shiga-ken, JP (1998)
  • Ootsu, JP (1999)
  • Otsu, JP (2000 - 2001)

Company Filing History:


Years Active: 1990-2001

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7 patents (USPTO):Explore Patents

Title: Innovations by Kiyoji Aburaya: A Trailblazer in Gear Pump Technology

Introduction

Kiyoji Aburaya, an accomplished inventor based in Otsu, Japan, holds a remarkable portfolio of seven patents. His innovative work primarily focuses on gear pump technology, particularly within the realm of electrically-operated sealed compressors. Aburaya's inventions have not only helped advance engineering practices but also contributed significantly to the efficiency and reliability of compressor systems.

Latest Patents

One of Aburaya's most notable inventions is a gear pump for use in an electrically-operated sealed compressor. This innovative gear pump consists of a pair of intermeshing gears, where one gear is directly connected to one end of the crankshaft. This arrangement allows for precise transmission of rotational force from the electric motor to the compression mechanism. Additionally, the pump casing is designed to accommodate only the gear pair, optimizing the layout by placing the pump elements on opposing sides of a cover plate. This unique construction effectively reduces the distance between the gear pair and an auxiliary bearing, minimizing undesirable whirling at the crankshaft's end and enhancing overall performance.

Career Highlights

Aburaya has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Sumitomo Electric Industries, Limited. His experiences in these organizations have shaped his inventive approach and knowledge in the field of mechanical engineering and compressors.

Collaborations

Throughout his career, Kiyoji Aburaya has collaborated with esteemed colleagues such as Yoshiharu Takeuchi and Toshiharu Yasu. These collaborations have helped foster innovative thinking and problem-solving, leading to advancements in the technologies they worked on together.

Conclusion

Kiyoji Aburaya exemplifies the spirit of innovation through his dedicated work and contributions to the field of gear pump technology. His inventions have set new standards in the efficiency of electrically-operated sealed compressors, marking him as a significant figure in modern engineering. With a solid foundation and a commitment to pushing the boundaries of technology, Aburaya continues to inspire future generations of inventors and engineers.

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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