Takatsuki, Japan

Yoshiaki Watarai

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electronics Corporation. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Watarai. Retrieved from https://idiyas.com/inventor/yoshiaki-watarai

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 = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Yoshiaki Watarai: Innovator in High Pressure Sodium Vapor Discharge Lamps

Introduction

Yoshiaki Watarai is a notable inventor based in Takatsuki, Japan. He is recognized for his contributions to the field of lighting technology, particularly through his innovative work on high pressure sodium vapor discharge lamps. His expertise and inventions have made a significant impact in the industry.

Latest Patents

Watarai holds 1 patent for a high pressure sodium vapor discharge lamp. This invention features an alumina tube envelope that contains sodium, an inert starting gas, a buffer gas source of mercury or cadmium, and discharge electrodes sealed within the envelope. The design includes specific parameters such as the inner diameter of the tube envelope and an average potential gradient, which are crucial for the lamp's functionality.

Career Highlights

Watarai has had a distinguished career at Matsushita Electronics Corporation, where he has been involved in various innovative projects. His work has contributed to advancements in lighting technology, enhancing the efficiency and performance of lighting solutions.

Collaborations

Throughout his career, Watarai has collaborated with notable colleagues, including Hidezo Akutsu and Haruo Yamazaki. These partnerships have fostered a creative environment that has led to significant technological advancements.

Conclusion

Yoshiaki Watarai's contributions to the field of lighting technology, particularly through his patent for high pressure sodium vapor discharge lamps, highlight his innovative spirit and dedication to advancing the industry. His work continues to influence the development of efficient 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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