Yokohama, Japan

Kooji Fukuma

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Media Electronics Co., Ltd., Hitachi Mizusawa Electronics Co.. Active years: 1996-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kooji Fukuma. Retrieved from https://idiyas.com/inventor/kooji-fukuma

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 = 6.7

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1996-1997

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3 patents (USPTO):Explore Patents

Title: Kooji Fukuma: Innovator in Cathode-Ray Tube Technology

Introduction

Kooji Fukuma is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of display technology, particularly in the development of cathode-ray tubes. With a total of 3 patents to his name, Fukuma's work has had a lasting impact on the industry.

Latest Patents

Fukuma's latest patents include a deflection yoke and cathode-ray tube apparatus designed to enhance the performance of color cathode-ray tubes. This innovative design features a deflection yoke equipped with a convergence correcting device and an electron gun that generates multiple electron beams. The vertical deflection coil is constructed from saddle-type coil halves, which are divided into first and second coil parts. These parts can be connected in series or parallel, allowing for greater flexibility in design. Additionally, the apparatus includes a vertical auxiliary deflection coil that generates four polar magnetic field components, which are essential for correcting horizontal and vertical line misconvergences on the display screen.

Career Highlights

Throughout his career, Kooji Fukuma has worked with prominent companies such as Hitachi, Ltd. and Hitachi Media Electronics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in display technology.

Collaborations

Fukuma has collaborated with notable colleagues, including Nobutaka Okuyama and Soichi Sakurai. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kooji Fukuma's contributions to cathode-ray tube technology exemplify his dedication to innovation in the field. His patents and collaborations reflect a commitment to enhancing display technology, 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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