Saitama, Japan

Chiharu Okawa

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Honda Motor Co., Ltd.. Active years: 2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiharu Okawa. Retrieved from https://idiyas.com/inventor/chiharu-okawa

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



Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2010

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Chiharu Okawa: A Pioneer in Engine Technology

Introduction: Chiharu Okawa, an inventive engineer based in Saitama, Japan, is known for her contributions to engine technology with a focus on enhancing mechanical efficiencies. Her innovative ideas have led to the development of a unique patent that showcases her expertise in the automotive field.

Latest Patents: Okawa holds a significant patent titled "Engine with Decompression Device." This invention is designed to reduce the overall length of a camshaft while minimizing the number of parts associated with the decompression device. The engine includes a decompression mechanism that utilizes a weight pivotably supported to the camshaft, which is rotated by centrifugal force during operation. Notably, the patent outlines a compact design that allows the decompression device to be mounted with a smaller outer diameter than traditional components, enhancing its integration within the engine system.

Career Highlights: Chiharu Okawa is currently employed at Honda Motor Co., Ltd., a leading figure in the automotive industry known for its commitment to innovation and excellence. Her focus on engine design and development has positioned her as a valuable asset within the company, where she continues to contribute to Honda's reputation for advanced engineering solutions.

Collaborations: Throughout her career, Okawa has worked alongside talented colleagues such as Teruhide Yamanishi and Shuji Hirayama. Together, they collaborate on various projects aimed at improving engine efficiency and performance, fostering a dynamic environment of creativity and technical expertise.

Conclusion: Chiharu Okawa stands out as a prominent inventor in the automotive sector, with her patent on an engine with a decompression device reflecting her innovative spirit. As she continues to work at Honda Motor Co., Ltd., her contributions play a crucial role in advancing engine technology and shaping the future of automotive engineering.

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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