Iwaki, Japan

Masatoshi Chiba

This inventor holds 1 USPTO granted patent. Top assignee: Stanley Electric Co., Ltd. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Chiba. Retrieved from https://idiyas.com/inventor/masatoshi-chiba-4c0xu1s5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Masatoshi Chiba: Innovator in Fluorescent Lamp Technology

Introduction

Masatoshi Chiba is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of lighting technology, particularly through his innovative designs in fluorescent lamps. His work has led to advancements that enhance the efficiency and performance of these essential lighting devices.

Latest Patents

Masatoshi Chiba holds a patent for a unique fluorescent lamp design. This invention includes a bulb with a fluorescent material coated on its internal surface, a stem, and a discharge chamber filled with gas and mercury. The lamp features a thermal cathode filament coated with electron-emitting material and lead wires that pass air-tight through the stem. The anode is designed to be substantially rectangular and parallel to the cathode filament, allowing for improved thermal electron emission efficiency. This design results in a smaller discharge spot, enhancing the overall efficiency of the fluorescent lamp while maintaining sufficient luminance even after the discharge spot passes the center point of the thermal cathode filament. Chiba's patent represents a significant advancement in fluorescent lamp technology.

Career Highlights

Masatoshi Chiba is associated with Stanley Electric Co., Ltd., a company known for its innovative lighting solutions. His work at Stanley Electric has allowed him to focus on developing technologies that improve the functionality and efficiency of lighting products. Chiba's dedication to innovation has positioned him as a key figure in the field of lighting technology.

Collaborations

Chiba has collaborated with notable colleagues, including Kouji Kikuchihara and Tsuneyoshi Shibasaki. These collaborations have fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Masatoshi Chiba's contributions to fluorescent lamp technology exemplify the impact of innovative thinking in the lighting industry. His patent and work at Stanley Electric Co., Ltd. highlight the importance of continuous improvement in technology. Through his efforts, Chiba has significantly advanced the efficiency and performance of fluorescent lamps, making a lasting impact on 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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