Hirakata, Japan

Ryouji Nakajima

This inventor holds 2 USPTO granted patents. Top assignees: Matsushita Electric Works, Ltd., Panasonic Electric Works Co., Ltd.. Active years: 2003-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryouji Nakajima. Retrieved from https://idiyas.com/inventor/ryouji-nakajima

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


% Patents Active = 50.0

Average Co-Inventor Count = 6.5

ph-index = 2

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 2003-2009

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2 patents (USPTO):Explore Patents

Title: Ryouji Nakajima: Innovator in Electronic Security and Brain Function Examination

Introduction

Ryouji Nakajima, hailing from Hirakata, Japan, is a notable inventor renowned for his contributions to electronic security systems and non-invasive brain function examination. With two patents to his name, Nakajima's work focuses on integrating cutting-edge technology with everyday applications to enhance safety and health monitoring.

Latest Patents

One of Nakajima's significant innovations is an electronic security system that features an electronic key and an electronic locking apparatus. This system includes an identification data registry to store multiple identification data for effective locking and unlocking. The electronic locking apparatus features a key data registry that corresponds to the identification data of the electronic key, ensuring compatibility with various objects. This groundbreaking system improves convenience by allowing a single key to operate multiple devices.

In addition to advancements in security, Nakajima has also designed a non-invasive brain function examining apparatus. This device detects the pupillary size of a subject's pupil using a light source and a pupillary detector. It calculates a subject index that reflects characteristics of the pupil based on the detected size. The apparatus includes a database for reference indices, offering valuable insights into brain function through a straightforward examination.

Career Highlights

Throughout his career, Ryouji Nakajima has been associated with prominent organizations such as Matsushita Electric Works, Ltd. and Panasonic Electric Works Co., Ltd. His expertise and innovative spirit have significantly contributed to advancements in technology within these companies.

Collaborations

Nakajima has had the privilege of working alongside esteemed colleagues, including Kenshi Suzuki and Shogo Fukushima. Their collaborations have fostered a creative environment that encourages knowledge sharing and inventive solutions to modern challenges.

Conclusion

Ryouji Nakajima's innovative spirit and dedication to improving lives through technology are evident in his patents. His contributions to electronic security and health monitoring reflect a blend of practicality and innovation. As he continues to push the boundaries of technology, Nakajima remains an influential figure in the fields of invention and innovation.

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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