Isesaki, Japan

Akira Kiyomura

This inventor holds 13 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi, Ltd., Fuji Heavy Industries Ltd.. Active years: 1994-2025.

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

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 92.3

 

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Atsugi, JP (2006)
  • Gunma, JP (2007)
  • Takasaki, JP (2010)
  • Isesaki, JP (1994 - 2020)

Company Filing History:


Years Active: 1994-2025

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13 patents (USPTO):Explore Patents

Title: Akira Kiyomura: Innovator in Diagnostic and Control Technologies

Introduction

Akira Kiyomura is a notable inventor based in Isesaki, Japan. He has made significant contributions to the fields of diagnostic apparatus and control devices, particularly in automotive technologies. With a total of 13 patents to his name, Kiyomura's work has had a substantial impact on the industry.

Latest Patents

Kiyomura's latest patents include a diagnostic apparatus and diagnostic method for a rotational angle sensor. This innovative diagnostic apparatus outputs two correlated signals corresponding to the rotational angle and obtains a reference value from these signals. It diagnoses potential failures in the rotational angle sensor based on whether a numerical value derived from the signals falls within a predetermined range that includes the reference value. Another significant patent is for a control device for a variable compression ratio mechanism. This device changes the compression ratio of an internal combustion engine by rotating a control shaft connected to an actuator's output shaft. It determines the rotation angle of the control shaft by integrating the output values of an angle sensor, ensuring the angle approaches a target value. The device also includes a mechanism to diagnose failures in the variable compression ratio mechanism.

Career Highlights

Throughout his career, Kiyomura has worked with prominent companies such as Hitachi Automotive Systems and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.

Collaborations

Kiyomura has collaborated with talented individuals, including Hisanori Ozaki and Yuya Shinozaki. Their teamwork has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Akira Kiyomura's contributions to diagnostic and control technologies have established him as a significant figure in the field. His innovative patents and collaborations reflect his dedication to advancing automotive technology.

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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