Toyama, Japan

Takaaki Harasaki

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Honda Motor Co., Ltd., Tanaka Seimitsu Kogyo Co., Ltd., Other. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaaki Harasaki. Retrieved from https://idiyas.com/inventor/takaaki-harasaki

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


% Patents Active = 50.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2002-2013

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2 patents (USPTO):Explore Patents

Title: Takaaki Harasaki: Innovator in Internal Combustion Engine Technology

Introduction

Takaaki Harasaki is an accomplished inventor based in Toyama, Japan. With a remarkable portfolio including two patents, his innovations primarily focus on enhancing the performance and durability of internal combustion engines.

Latest Patents

Harasaki’s most recent patents showcase his inventive prowess. The first patent, titled "Sliding member and surface treatment method for the same," addresses the enhancement of abrasion resistance in sliding members used within internal combustion engines. This invention incorporates hard particles with a higher hardness than that of the valve lifter, strategically dispersed on the top face of the valve lifter, followed by a nitriding treatment.

The second patent, "Valve operating system for internal combustion engines," introduces a sophisticated valve operating system featuring a roller that rolls in contact with a valve operating cam. This system includes an innovative oil supply passage designed to minimize pressure loss, even at heightened engine speeds, significantly improving the lubricating capability for the roller and extending the lifespan of the rocker arm.

Career Highlights

Takaaki Harasaki has contributed his expertise to renowned corporations, including Honda Motor Co., Ltd. His technical knowledge and dedication to advancing engine technology have established him as a reputable figure in the automotive industry.

Collaborations

Throughout his career, Harasaki has collaborated with talented individuals, including coworkers Atsushi Takahashi and Masayasu Tajima. These partnerships have fostered a creative environment, allowing for the development of innovative solutions in engine technology.

Conclusion

Takaaki Harasaki's contributions to the field of internal combustion engines through his patents highlight his commitment to innovation. His work continues to influence advancements in engine performance and reliability, making him a significant figure in modern 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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