Kariya, Japan

Chiaki Hiramatsu

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Toyota Boshoku Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 2012-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiaki Hiramatsu. Retrieved from https://idiyas.com/inventor/chiaki-hiramatsu

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Aichi-ken, JP (2012)
  • Kariya, JP (2016 - 2023)

Company Filing History:


Years Active: 2012-2023

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4 patents (USPTO):Explore Patents

Title: Chiaki Hiramatsu: Innovator in Oil Separation Technology

Introduction

Chiaki Hiramatsu is a notable inventor based in Kariya, Japan. She has made significant contributions to the field of internal combustion engine technology, particularly in oil separation systems. With a total of four patents to her name, Hiramatsu's work has been instrumental in improving engine efficiency and performance.

Latest Patents

Hiramatsu's latest patents include an innovative oil separator for internal combustion engines. This device features a case with inflow ports for blow-by gas, a gas outflow port, and an oil discharge port. The design incorporates a separation wall that divides the case into upstream and downstream passages, optimizing the flow of gases and oil. Another significant patent is her oil mist separator, which consists of a case with an inlet, outlet, and gas passage. This separator is designed with multiple members that are welded together, creating distinct passages for gas and oil, enhancing the separation process.

Career Highlights

Throughout her career, Chiaki Hiramatsu has worked with prominent companies such as Toyota Boshoku Corporation and Toyota Motor Corporation. Her experience in these leading automotive firms has allowed her to develop and refine her innovative technologies, contributing to advancements in engine design and functionality.

Collaborations

Hiramatsu has collaborated with esteemed colleagues, including Yoji Horiuchi and Naritsune Miyanaga. These partnerships have fostered a creative environment that has led to the development of her groundbreaking inventions.

Conclusion

Chiaki Hiramatsu's contributions to oil separation technology in internal combustion engines highlight her innovative spirit and dedication to engineering excellence. Her patents reflect a commitment to enhancing engine performance and efficiency, making her a significant figure in the field of 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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