Sagae, Japan

Kiyoharu Oizumi

This inventor holds 1 USPTO granted patent. Top assignees: Teikoku Piston Ring Co., Ltd., Teipi Industry Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Oizumi. Retrieved from https://idiyas.com/inventor/kiyoharu-oizumi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 10.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: Kiyoharu Oizumi: Innovator in Cylinder Liner Technology

Introduction

Kiyoharu Oizumi is a notable inventor based in Sagae, Japan. He has made significant contributions to the field of engineering, particularly in the development of cylinder liners for insert casting. His innovative approach has led to advancements that enhance the performance and durability of cylinder blocks.

Latest Patents

Oizumi holds a patent for a "Cylinder liner for insert casting and method for manufacturing thereof." This invention provides a cylinder liner that improves adherence and bonding strength with cylinder block materials. The patent outlines specific requirements for the cylinder liner, including the height and number of projections, as well as area ratios of various regions, ensuring optimal performance in engine applications. He has 1 patent to his name.

Career Highlights

Throughout his career, Oizumi has worked with prominent companies in the automotive industry. Notably, he has been associated with Toyota Motor Corporation and Teikoku Piston Ring Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in engine technology.

Collaborations

Oizumi has collaborated with talented individuals in his field, including Hirofumi Michioka and Toshihiro Takami. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kiyoharu Oizumi's contributions to cylinder liner technology exemplify the impact of innovative thinking in engineering. His patent reflects a commitment to enhancing the performance of automotive components, showcasing the importance of invention in the industry.

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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