Yokohama, Japan

Hirokatu Kousokabe

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1980-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokatu Kousokabe. Retrieved from https://idiyas.com/inventor/hirokatu-kousokabe

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 = 1.5

ph-index = 4

Forward Citations = 199(Granted Patents)


Location History:

  • Yokohama, JP (1980 - 1982)
  • Totsukamachi, JP (1982)
  • Ibaraki, JP (1992)

Company Filing History:


Years Active: 1980-1992

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4 patents (USPTO):Explore Patents

Title: Innovations of Hirokatu Kousokabe

Introduction

Hirokatu Kousokabe is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of engineering, particularly in the development of rotary compressors and hermetic scroll fluid discharge apparatuses. With a total of 4 patents to his name, Kousokabe continues to push the boundaries of innovation.

Latest Patents

One of Kousokabe's latest inventions is a rotary compressor that features an oil separating portion and an oil collecting portion. This design allows for effective separation of oil mist from gas flow, ensuring stable lubrication of the rotary shaft's end. The arrangement enhances the reliability of the bearing, especially during high-speed operations, while also reducing vibrations.

Another significant patent is the hermetic scroll fluid discharge apparatus, which includes a fixed scroll and an orbiting scroll. These components work together to compress fluid in defined pockets, with the orbiting scroll driven by a motor. The design ensures an airtight seal between the scrolls, enhancing the efficiency of the apparatus.

Career Highlights

Kousokabe is currently employed at Hitachi, Ltd., where he applies his expertise in engineering to develop innovative solutions. His work has had a profound impact on the industry, particularly in the areas of fluid dynamics and compressor technology.

Collaborations

Some of Kousokabe's notable coworkers include Kenji Tojo and Nobukatsu Arai. Their collaborative efforts have contributed to the advancement of technology within their field.

Conclusion

Hirokatu Kousokabe's contributions to engineering through his patents and innovations demonstrate his commitment to advancing technology. His work continues to influence the industry and inspire future inventors.

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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