Isesaki, Japan

Yoshinobu Ichikawa

This inventor holds 6 USPTO granted patents. Top assignees: Sanden Corporation, Purdue Research Foundation. Active years: 2002-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshinobu Ichikawa. Retrieved from https://idiyas.com/inventor/yoshinobu-ichikawa

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

Calculating rank

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Maebashi, JP (2002)
  • Gunma ken, JP (2007)
  • Isesaki, JP (2008 - 2009)

Company Filing History:


Years Active: 2002-2009

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6 patents (USPTO):Explore Patents

Title: **Yoshinobu Ichikawa: A Pioneer in Compressor Technology**

Introduction

Yoshinobu Ichikawa, based in Isesaki, Japan, is a notable inventor recognized for his significant contributions to the field of compressor technology. With a total of six patents to his name, Ichikawa’s inventions stand out for their innovative designs and efficiency improvements.

Latest Patents

Among his latest patents, Ichikawa has developed a multi-cylinder reciprocating compressor that features a cylinder block equipped with several pistons. These pistons perform both a working fluid suction stroke and a compression/discharge stroke. The cylinder head of this compressor is designed to include a discharge chamber and an annular suction chamber that surrounds it, complete with cross walls that strategically reduce the flow area of the suction chamber.

Another groundbreaking patent by Ichikawa relates to a multi-cylinder reciprocating compressor that incorporates multiple compression chambers and discharge valve devices. Each discharge valve device is fitted with a valve reed that opens and closes a discharge hole. The innovative design of the retainer regulates the valve reed's lift, ensuring efficient operation and improved performance.

Career Highlights

Throughout his career, Yoshinobu Ichikawa has made significant contributions while working with prominent companies such as Sanden Corporation and Purdue Research Foundation. His experience in these organizations has played a crucial role in his development as an inventor and innovator in compression technology.

Collaborations

Ichikawa’s journey has also seen collaborations with esteemed individuals such as Douglas Edward Adams and Kenji Hashimoto. Their combined expertise has undoubtedly enriched the projects they have worked on, leading to notable advancements in the industry.

Conclusion

Yoshinobu Ichikawa exemplifies the spirit of innovation through his dedicated work in the development of advanced compressor technologies. With his numerous patents, he continues to influence the field, providing solutions that enhance efficiency and performance in various applications. His career highlights and collaborations reflect his commitment to elevating engineering standards in compressor design.

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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