Nagasaki, Japan

Norihiro Ichikawa

This inventor holds 2 USPTO granted patents. Top assignees: Ise Electronics Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihiro Ichikawa. Retrieved from https://idiyas.com/inventor/norihiro-ichikawa

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 = 7.2

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1990

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2 patents (USPTO):Explore Patents

Title: Norihiro Ichikawa: Innovator in Display Technology

Introduction

Norihiro Ichikawa is a notable inventor based in Nagasaki, Japan. He has made significant contributions to the field of display technology, holding 2 patents that showcase his innovative approach to improving display devices.

Latest Patents

Ichikawa's latest patents include a light source display tube and a fluorescent display apparatus. The light source display tube is designed in a matrix form to create a large screen display device. This invention eliminates stray paths for electrons emitted from the cathode, preventing pseudo light emission and minimizing electrical troubles. The fluorescent display apparatus serves as a component of picture elements in large-screen displays. It features control electrodes that manage the courses of thermoelectrons emitted from cathodes, reducing brightness fluctuations and ensuring that electrons only bombard predetermined fluorescent display cells.

Career Highlights

Throughout his career, Ichikawa has worked with prominent companies such as Ise Electronics Corporation and Mitsubishi Electric Corporation. His work in these organizations has allowed him to develop and refine his inventions, contributing to advancements in display technology.

Collaborations

Ichikawa has collaborated with notable individuals in the field, including Kazunori Tatsuda and Hiroshi Kamogawa. These collaborations have further enriched his work and innovation in display technology.

Conclusion

Norihiro Ichikawa's contributions to display technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the development of advanced display systems.

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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