Hitachi, Japan

Naoto Oonuma

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Oonuma. Retrieved from https://idiyas.com/inventor/naoto-oonuma

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.5

ph-index = 2

Forward Citations = 86(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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2 patents (USPTO):Explore Patents

Title: Naoto Oonuma: Innovator in Elevator Detection Technology

Introduction

Naoto Oonuma is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of elevator technology, particularly in the detection of people waiting for elevators. With a total of 2 patents to his name, Oonuma's work showcases his innovative approach to solving real-world problems.

Latest Patents

Oonuma's latest patents include an apparatus and methods for detecting the number of people waiting in an elevator. This apparatus utilizes an image pickup unit to detect the number of individuals waiting and communicates that information to a corresponding detection unit. The system generates a coefficient based on the overlap of the fields of view of multiple image pickup units, allowing for accurate counting of waiting individuals even in overlapping scenarios. Additionally, he has developed an image processing apparatus that corrects images of elevator halls or cars to enhance the accuracy of passenger detection.

Career Highlights

Naoto Oonuma is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has been instrumental in advancing elevator systems, making them more efficient and user-friendly. Oonuma's inventions reflect his commitment to improving public transportation systems through technology.

Collaborations

Oonuma has collaborated with notable colleagues, including Masato Suzuki and Hiromi Inaba. Their combined expertise has contributed to the successful development of innovative solutions in elevator technology.

Conclusion

Naoto Oonuma's contributions to elevator detection technology exemplify the impact of innovation in enhancing everyday experiences. His patents not only demonstrate his technical skills but also his dedication to improving public infrastructure.

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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