Tokyo, Japan

Naoji Kumagai

This inventor holds 2 USPTO granted patents. Top assignees: Kabushiki Kaisha Sega, Sammy Corporation. Active years: 2003-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoji Kumagai. Retrieved from https://idiyas.com/inventor/naoji-kumagai

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


Average Co-Inventor Count = 1.0

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2003-2010

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2 patents (USPTO):Explore Patents

Title: Naoji Kumagai: Innovator in Prize Game Apparatus Technology

Introduction

Naoji Kumagai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of gaming technology, particularly through his innovative designs in prize game apparatuses. With a total of two patents to his name, Kumagai's work reflects a commitment to enhancing user experience in gaming environments.

Latest Patents

Kumagai's latest patents include a prize game apparatus that features multiple pairs of pickup arms. This apparatus allows for the adjustment of the distance between the pairs of pickup arms, enhancing its functionality. The design includes a pickup unit capable of moving in specified directions, along with an opening/closing unit for the pairs of pickup arms. The distance adjustment unit enables the movement of the pairs of pickup arms, allowing for the effective picking up or releasing of prizes.

Career Highlights

Throughout his career, Naoji Kumagai has worked with prominent companies in the gaming industry. His experience includes significant roles at Sammy Corporation and Sega. These positions have allowed him to develop and refine his innovative ideas, contributing to the advancement of gaming technology.

Collaborations

Due to space limitations, the collaborations section will be omitted.

Conclusion

Naoji Kumagai's contributions to the gaming industry through his inventive designs in prize game apparatuses highlight his role as a key innovator. His patents reflect a deep understanding of user interaction and technology, making him a significant figure in the field.

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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