Osaka, Japan

Katsuaki Hayashi

This inventor holds 8 USPTO granted patents and 5 published patent applications, plus 3 CIPO patents and 6 EPO patents. Top assignees: Kokuyo Co., Ltd., Takano Co., Ltd.. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuaki Hayashi. Retrieved from https://idiyas.com/inventor/katsuaki-hayashi

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

USPTO Granted Patents = 8 

% Patents Active = 100.0


 

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 2004-2025

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8 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Katsuaki Hayashi: Revolutionizing Seating Design**

Introduction

Katsuaki Hayashi, an accomplished inventor based in Osaka, Japan, has made significant contributions to the world of ergonomic furniture design. With a total of eight patents to his name, Hayashi continues to demonstrate his ingenuity in creating innovative seating solutions that prioritize comfort and functionality.

Latest Patents

The latest patents registered by Hayashi showcase his commitment to enhancing user experience. One notable invention is a chair featuring a movable seat designed to enable smooth movement through a rolling surface mechanism. This unique chair consists of an upper base unit and a lower base unit, designed to interact seamlessly. The seat, located in the upper base unit, swings while the upper base unit rolls relative to the lower base unit. Additionally, the design incorporates a rolling surface that has varying curvature, with an elastic member positioned strategically to improve stability and comfort.

Another innovative patent from Hayashi addresses the challenge of concealed movement in seating. In this design, the chair’s swinging surfaces are specifically engineered to swing in a wide range of motion (360 degrees), including front-rear and left-right directions. The configuration includes an elastic member to maintain the proximity of the swinging surfaces while utilizing a stretchable sheet material to effectively conceal any gaps, thereby enhancing the chair’s overall visual aesthetics and structural integrity.

Career Highlights

Katsuaki Hayashi's career features key roles in reputable companies such as Kokuyo Co., Ltd. and Takano Co., Ltd. His tenure at these organizations has allowed him to collaborate on groundbreaking projects and push the boundaries of innovative furniture design. As an inventor, Hayashi has focused on creating products that seamlessly blend practicality with an elegant aesthetic.

Collaborations

Throughout his career, Hayashi has collaborated with other talented individuals, such as Takao Sugano and Toshiki Yajima. These partnerships have fostered an environment of creative synergy, allowing for the exchange of ideas and approaches that have led to successful product development.

Conclusion

Katsuaki Hayashi stands as a prominent figure in the realm of innovations in furniture design. His eight patents reflect his dedication to enhancing everyday experiences through thoughtful and functional design. With his ongoing pursuit of innovation, it is clear that Hayashi will continue to influence the world of seating solutions for years to come.

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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