Ishikawa, Japan

Hiroshi Kawai

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Daido Kogyo Co., Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Kawai. Retrieved from https://idiyas.com/inventor/hiroshi-kawai-koqwheag

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 11.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Hiroshi Kawai: Revolutionizing Stairway Mobility

Introduction: Hiroshi Kawai is an inventive force hailing from Ishikawa, Japan, recognized for his innovative contributions to accessibility solutions. With a keen focus on enhancing mobility, Kawai has secured a patent for a unique stairway lift designed to assist individuals in navigating stairs with ease.

Latest Patents: Hiroshi Kawai’s patented invention is a sophisticated stairway lift that operates along the treads of a stairway. The design features a guide positioned on the treads adjacent to the sidewall, creating a defined space that accommodates the mobile body of the lift. This mobile unit is uniquely equipped with a drive sprocket, which works in tandem with an electric motor to facilitate motion along the stairway. The integration of a carrier allows for the safe transportation of individuals or objects, ensuring that the carrier ascends and descends simultaneously with the mobile body.

Career Highlights: Kawai is associated with Daido Kogyo Co., Ltd., a respected company known for its commitment to producing innovative and practical solutions. His singular patent exemplifies a dedication to improving mobility and accessibility, making a significant impact in the field.

Collaborations: Throughout his career, Kawai has collaborated with talented professionals, including Masato Nakatani and Chikayuki Higashide. Their teamwork has contributed to the development and refinement of innovative inventions that enhance user experience and safety in mobility solutions.

Conclusion: Hiroshi Kawai stands as a testament to the power of innovation in addressing everyday challenges. His work on the stairway lift not only showcases his ingenuity but also highlights the importance of collaboration in the field of invention. As he continues to push the boundaries of accessibility, Kawai's contributions set a benchmark for future inventors aiming to make the world more navigable for everyone.

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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