Sakai, Japan

Naohisa Yamashita

This inventor holds 2 USPTO granted patents. Top assignees: Aisin Aw Industries Co., Ltd., Asin Aw Co., Ltd., Exedy Corporation. Active years: 2014-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naohisa Yamashita. Retrieved from https://idiyas.com/inventor/naohisa-yamashita

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 = 5.5

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Echizen, JP (2014)
  • Sakai, JP (2015)

Company Filing History:


Years Active: 2014-2015

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2 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Naohisa Yamashita

Introduction: Naohisa Yamashita is a notable inventor based in Sakai, Japan, recognized for his contributions to mechanical engineering through his innovative designs and patents. With a total of two patents to his name, his work showcases a blend of creativity and technical expertise.

Latest Patents: Yamashita's latest inventions include a sophisticated starting device and a dynamic vibration absorber. The starting device is equipped with a multi-plate clutch and a damper device designed to enhance power transmission from a motor. Key components of this device include an input element, elastic bodies, and an output element, all meticulously engineered to optimize performance. His dynamic vibration absorber features rolling element bores in a disk-like main body, designed to engage with rollers fitted loosely in these bores. The intricate design allows for effective vibration dampening, ensuring durability and enhanced functionality.

Career Highlights: Throughout his career, Yamashita has made significant strides in the automotive industry, having worked with prominent companies such as Aisin Aw Industries Co., Ltd. and Aisin Aw Co., Ltd. His professional journey is underscored by his commitment to innovation and improvement in mechanical systems.

Collaborations: In his pursuits, Yamashita has collaborated with talented coworkers, including Tomonori Kinoshita and Katsunori Tanaka. These partnerships highlight the importance of teamwork in the realm of invention, contributing collectively to advancements in technology.

Conclusion: Naohisa Yamashita stands out as a dedicated inventor in the field of mechanical engineering. His innovative patents illustrate his ability to address complex challenges with practical solutions. As he continues to push the boundaries of technology, his work promises to inspire future inventors and engineers 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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