Kyoto, Japan

Masaaki Nakayama

This inventor holds 28 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in LED Driving Technology. Top assignees: Rohm Co., Ltd., Honda Motor Co., Ltd.. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Nakayama. Retrieved from https://idiyas.com/inventor/masaaki-nakayama-u7u4rssm

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

USPTO Granted Patents = 28 

% Patents Active = 96.4

 

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 2014-2025

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Areas of Expertise:
Light-Emitting Element
Driving Device
Lighting Device
LED Driving
Illuminator
Liquid Crystal Display
Ground Fault Detection
Semiconductor
Load Drive
Integrated Circuit
Vehicle Applications
Leakage Current Detection
28 patents (USPTO):Explore Patents

Title: Innovations by Masaaki Nakayama: A Pioneer in Light Control Technology

Introduction

Masaaki Nakayama, based in Kyoto, Japan, is a notable inventor with a remarkable portfolio of 22 patents. His contributions are particularly influential in the domain of light control devices, showcasing a blend of creativity and technical expertise that has had a significant impact on the field of lighting technology.

Latest Patents

One of Nakayama's latest innovations is the "Lamp Control Device," which features a sophisticated arrangement comprising a first input terminal, a second input terminal, and an output terminal that connects to a lamp via an external switch. This device outputs a drive current for the lamp while incorporating an internal switch and a constant current section that enhances functionality through voltage monitoring. Another significant patent is the "Light Emitting Element Drive Device and Light Emitting System." This device includes a driving circuit that delivers a variable drive current to a light-emitting unit, ensuring efficient light emission while maintaining a drive reference voltage that defines the current limits.

Career Highlights

Masaaki Nakayama has held positions at prominent companies such as Rohm Co., Ltd. and Honda Motor Co., Ltd., where he has developed advanced technologies and contributed to various innovative projects. His work has been pivotal in evolving the lighting systems utilized in contemporary applications.

Collaborations

Throughout his career, Nakayama has collaborated with esteemed colleagues like Ryosuke Kanemitsu and Noboru Takizawa. These partnerships have further enhanced his ability to drive innovation and tackle challenging problems in lighting technology, paving the way for groundbreaking advancements.

Conclusion

Masaaki Nakayama's dedication to innovation and his impressive collection of patents signify his profound impact on the field of light control technology. As advancements continue in this area, Nakayama's work will undoubtedly inspire future inventors and contribute to the evolution of lighting solutions.

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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