Shiga, Japan

Akira Hiwata

This inventor holds 24 USPTO granted patents and 18 published patent applications and 13 EPO patents, primarily in Refrigeration Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Hiwata. Retrieved from https://idiyas.com/inventor/akira-hiwata

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

USPTO Granted Patents = 24 

% Patents Active = 37.5

 

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 117(Granted Patents)


Location History:

  • Kyoto, JP (2005 - 2012)
  • Shiga, JP (2004 - 2020)

Company Filing History:


Years Active: 2004-2026

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Areas of Expertise:
Refrigeration Cycle Device
Air Conditioner
Turbo Machine
Rotary Compressor
Scroll Expander
Scroll Compressor
Capacity Variation
Hermetic Container
Pressure Ratio
Lubricant Supply
High Pressure Determination
24 patents (USPTO):Explore Patents

Title: Innovations of Akira Hiwata in Turbo Machinery

Introduction

Akira Hiwata, an accomplished inventor from Shiga, Japan, has made significant contributions to the field of turbo machinery and refrigeration systems. With a remarkable portfolio of 22 patents, Hiwata continues to pave the way for innovations that enhance efficiency and performance in various applications.

Latest Patents

Among his latest inventions are two noteworthy patents focused on turbo machines and refrigerating cycle apparatuses. The first patent describes a turbo machine that comprises a rotation shaft, first bearing, casing, impeller, and various interconnected passages. This innovative design allows effective communication within the machine, which is essential for optimal operation.

The second patent also highlights a turbo machine that features a cylindrical bearing housing and an end elastic body positioned between the bearing and the housing. This construction not only supports the rotation shaft but also enhances mechanical stability and performance, thanks to materials chosen for their elasticity.

Career Highlights

Throughout his career, Akira Hiwata has worked with leading companies in the industry, including Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His expertise and innovative mindset have consistently contributed to the advancement of technology in turbo machinery.

Collaborations

Hiwata has collaborated with talented professionals, including Takeshi Ogata and Yoshiyuki Futagami. Together, they have combined their skills and knowledge to drive innovation further and achieve remarkable breakthroughs in the field.

Conclusion

Akira Hiwata's legacy as an inventor is marked by his persistent dedication to developing innovative solutions for turbo machinery. His patents reflect a deep understanding of mechanical systems and a commitment to enhancing technology, ensuring that his work will remain relevant for years to come.

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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