Toyota, Japan

Yoshio Kuroiwa

This inventor holds 2 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1984-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Kuroiwa. Retrieved from https://idiyas.com/inventor/yoshio-kuroiwa

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 = 3.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1984-1988

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2 patents (USPTO):Explore Patents

Title: The Innovations of Yoshio Kuroiwa

Introduction

Yoshio Kuroiwa is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced mechanical systems. With a total of 2 patents, Kuroiwa's work reflects a commitment to innovation and practical solutions in technology.

Latest Patents

Kuroiwa's latest patents include a rotor assembly for a Roots pump and an intake heating device for internal combustion engines. The rotor assembly features a light-alloy rotor and a steel shaft that is securely press-fitted, ensuring durability and efficiency. The design incorporates a lock pin to prevent the shaft from detaching, enhancing the reliability of the pump. The intake heating device, on the other hand, utilizes PTC elements within a hollow heater vessel to effectively heat the inner pipe. This design protects the heating elements from external elements while maintaining their functionality.

Career Highlights

Throughout his career, Kuroiwa has worked with prominent companies such as Toyota Motor Corporation and Toyota Jidosha Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Kuroiwa has collaborated with esteemed colleagues, including Takuo Sibata and Hisao Shirai. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Yoshio Kuroiwa's contributions to engineering and innovation are evident through his patents and collaborations. His work continues to influence the industry, showcasing the importance of creativity and technical expertise in advancing 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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