Tokyo, Japan

Kiyomichi Ichikawa

This inventor holds 9 USPTO granted patents. Top assignees: Ihi Corporation, Autostamp Institution Limited, Canon Kabushiki Kaisha. Active years: 1981-2021.

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

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 = 1.7

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Kawasaki, JP (1981 - 1984)
  • Tokyo, JP (1989 - 2021)

Company Filing History:


Years Active: 1981-2021

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9 patents (USPTO):Explore Patents

Title: Kiyomichi Ichikawa: Innovator in Turbocharger Technology

Introduction

Kiyomichi Ichikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of turbocharger technology, holding a total of 9 patents. His innovative designs have advanced the efficiency and functionality of turbochargers, making a notable impact in the automotive industry.

Latest Patents

Ichikawa's latest patents include a multi-stage turbocharger and a turbocharger design. The multi-stage turbocharger features a turbine housing with a first sub-housing and a second sub-housing arranged in series, enhancing performance through improved airflow. The turbocharger design incorporates a bearing portion within the turbine housing, allowing for a shaft that is rotatably inserted into a bearing hole. This design includes an attaching member that facilitates the operation of a valve, which opens and closes a flow path in conjunction with the shaft's rotation.

Career Highlights

Throughout his career, Ichikawa has worked with notable companies such as IHI Corporation and Autostamp Institution Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in turbocharger technology.

Collaborations

Ichikawa has collaborated with talented individuals in the field, including Kazuaki Iwata and Atsushi Mori. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Kiyomichi Ichikawa's contributions to turbocharger technology through his patents and collaborations highlight his role as a key innovator in the automotive industry. His work continues to influence the design and efficiency of turbocharging systems.

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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