Nishinomiya, Japan

Kazutaka Koyama

This inventor holds 5 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1983-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazutaka Koyama. Retrieved from https://idiyas.com/inventor/kazutaka-koyama

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 = 4.1

ph-index = 3

Forward Citations = 41(Granted Patents)


Company Filing History:


Years Active: 1983-1995

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5 patents (USPTO):Explore Patents

Title: Kazutaka Koyama: Innovator in High Pressure Discharge Lamp Technology

Introduction

Kazutaka Koyama is a notable inventor based in Nishinomiya, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of high pressure discharge lamps. With a total of 5 patents to his name, Koyama's work has had a substantial impact on the industry.

Latest Patents

Koyama's latest patents include innovative designs for high pressure discharge lamps. One of his notable inventions is a high pressure discharge lamp that features improved convection regulating means. This lamp includes a discharge tube filled with gas, along with a first and second electrode that facilitate arc discharge. The design incorporates a convection regulating member that suppresses the deformation of the arc discharge caused by gas convection within the discharge tube. Another significant patent is an apparatus for controlling the power to a discharge lamp. This lighting control circuit adjusts the output during the starting time of the discharge lamp based on the duration of the last off-time and the on-time after the start of discharging.

Career Highlights

Kazutaka Koyama is associated with Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electrical and electronic products. His work at this company has allowed him to explore and develop innovative lighting solutions that enhance the performance and efficiency of discharge lamps.

Collaborations

Koyama has collaborated with esteemed colleagues such as Masataka Ozawa and Shigeru Horii. These partnerships have contributed to the advancement of technology in the field of lighting and have fostered a collaborative environment for innovation.

Conclusion

Kazutaka Koyama's contributions to high pressure discharge lamp technology exemplify his dedication to innovation. His patents reflect a commitment to improving lighting solutions, making him a significant figure in the industry.

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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