Kawasaki, Japan

Keiji Arai

This inventor holds 6 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1995-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Arai. Retrieved from https://idiyas.com/inventor/keiji-arai

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 1995-2011

Loading Chart...
6 patents (USPTO):Explore Patents

Title: Keiji Arai: Innovator in Wiring Board Manufacturing

Introduction

Keiji Arai is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of wiring board manufacturing, holding a total of 6 patents. His innovative methods have advanced the technology used in electronic components.

Latest Patents

One of his latest patents is a wiring board manufacturing method. This invention relates to a method of manufacturing a wiring board that includes a build-up layer, where wiring patterns are stacked with insulating layers, and a core substrate that is separately formed from the build-up layer. The method involves several steps: first, the build-up layer is formed on a plate-shaped support. Next, the core substrate is electrically connected to the wiring patterns of the build-up layer on the support. Finally, the support is removed from the build-up layer to create the wiring board, which connects the build-up layer to the core substrate. This innovative approach allows for the effective production of wiring boards that exhibit enhanced characteristics.

Career Highlights

Keiji Arai is currently employed at Fujitsu Corporation, where he continues to develop and refine his inventions. His work has been instrumental in improving the efficiency and functionality of wiring boards used in various electronic devices.

Collaborations

Some of his notable coworkers include Kiyotaka Seyama and Katsumi Uchikawa. Their collaborative efforts have contributed to the success of various projects within the company.

Conclusion

Keiji Arai's contributions to wiring board manufacturing demonstrate his commitment to innovation and excellence in technology. His patents reflect a deep understanding of the complexities involved in electronic component design and manufacturing.

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]
Loading…