Shizuoka, Japan

Toru Nakayama

This inventor holds 12 USPTO granted patents and 1 EPO patent. Top assignee: Koito Manufacturing Company, Ltd.. Active years: 1994-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Nakayama. Retrieved from https://idiyas.com/inventor/toru-nakayama-8qf5peiq

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

Calculating rank

% Patents Active = 58.3


Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 221(Granted Patents)


Location History:

  • Shimizu, JP (1998 - 2004)
  • Shizuoka, JP (1994 - 2011)

Company Filing History:


Years Active: 1994-2011

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12 patents (USPTO):Explore Patents

Title: Innovative Contributions of Toru Nakayama

Introduction

Toru Nakayama, based in Shizuoka, Japan, is an accomplished inventor with a remarkable portfolio of 12 patents. His work primarily focuses on advancements in vehicle lighting technologies, reflecting his commitment to innovation in the automotive industry. Nakayama's contributions have significantly enhanced the functionality and efficiency of lighting devices used in vehicles.

Latest Patents

Among Nakayama's latest innovations is a patent for a lighting control device for a vehicle lighting device. This invention optimizes the load distribution among multiple semiconductor light sources, such as LEDs, when driven through switching regulators. It ensures that the currents applied are about equal, improving the reliability and performance of multifunctional lamps.

Another significant patent is a lighting controller for lighting devices for vehicles. This system detects the forward voltages of multi-chip LEDs through forward detecting circuits. The data collected is processed by a microcomputer, which establishes a baseline for normal operation and sets parameters to detect abnormalities. This innovation not only enhances the safety of vehicle lighting but also alerts drivers in case of any malfunctions.

Career Highlights

Toru Nakayama is currently affiliated with Koito Manufacturing Company, Limited, where he has been instrumental in developing cutting-edge lighting solutions for the automotive market. His career reflects a dedication to advancing vehicle safety and efficiency through inventive designs.

Collaborations

Throughout his career, Nakayama has collaborated with talented colleagues, including Hitoshi Takeda and Keiichi Tajima. Their collective expertise has fostered an environment of innovation, allowing the team to push the boundaries of vehicle lighting technology.

Conclusion

In conclusion, Toru Nakayama's contributions to the field of vehicle lighting are noteworthy and have set new standards for performance and safety. His inventions not only reflect his deep understanding of technological needs in the automotive sector but also his dedication to improving user experience. As he continues to innovate at Koito Manufacturing Company, the impact of his work is sure to resonate in the industry for years to come.

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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