Osaka, Japan

Masashi Hasegawa

This inventor holds 2 USPTO granted patents. Top assignee: Itoki Corporation. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Hasegawa. Retrieved from https://idiyas.com/inventor/masashi-hasegawa-vpicf0r0

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

Calculating rank

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 2016

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2 patents (USPTO):Explore Patents

Title: Masashi Hasegawa: Innovator in Chair Design

Introduction

Masashi Hasegawa is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of furniture design, particularly in the development of innovative chair mechanisms. With a total of 2 patents, Hasegawa's work reflects a commitment to enhancing user experience through functional and ergonomic designs.

Latest Patents

Hasegawa's latest patents include the "Nestable Chair" and the "Rocking Chair and Spring Unit Used Therein." The Nestable Chair features a unique support device that allows multiple chairs to fit together seamlessly. It includes a backrest that can tilt rearwards and a seat that can be raised to overlap with the backrest, enabling efficient storage and versatility. The Rocking Chair incorporates a tiltable backrest and a locking spring portion that adjusts resistance based on user preference. This design allows for a customizable rocking experience, enhancing comfort and usability.

Career Highlights

Masashi Hasegawa is currently employed at Itoki Corporation, where he continues to innovate in the field of furniture design. His work at Itoki has positioned him as a key player in developing ergonomic solutions that cater to modern needs.

Collaborations

Hasegawa collaborates with talented individuals such as Yoshinori Kurata and Kohei Wada. These partnerships foster a creative environment that encourages the exchange of ideas and enhances the quality of their designs.

Conclusion

Masashi Hasegawa's contributions to chair design exemplify the intersection of functionality and innovation. His patents reflect a deep understanding of user needs and a commitment to improving everyday experiences through thoughtful design.

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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