Kawasaki, Japan

Kazuhiko Iijima

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Fujitsu Corporation, Sony Corporation. Active years: 2003-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Iijima. Retrieved from https://idiyas.com/inventor/kazuhiko-iijima

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


% Patents Active = 60.0


Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 38(Granted Patents)


Company Filing History:


Years Active: 2003-2018

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

Title: Kazuhiko Iijima: Innovator in Wiring Substrate Technology

Introduction

Kazuhiko Iijima is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of wiring substrate technology, holding a total of 5 patents. His work focuses on enhancing the performance and efficiency of multilayer wiring circuit boards.

Latest Patents

Iijima's latest patents include innovative designs for wiring substrates. One notable patent describes a wiring substrate that consists of a laminated sheet featuring a first conductor pattern, an inorganic dielectric layer, and a second conductor pattern. This design allows for the first conductor pattern to be divided into multiple regions, enhancing its functionality. Another significant patent is for an inexpensive multilayer wiring circuit board that facilitates high-frequency switching operations while minimizing high-frequency noise by reducing circuit inductance. This multilayer board includes an uppermost layer for component mounting, a second layer for either a ground or electric power source, and an insulating layer made from a thermoplastic material.

Career Highlights

Throughout his career, Kazuhiko Iijima has worked with leading technology companies, including Fujitsu Corporation and Sony Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in wiring substrate technology.

Collaborations

Iijima has collaborated with notable professionals in his field, including Toshihiro Kusagaya and Yasuhiro Yoneda. These collaborations have contributed to the advancement of his inventions and the overall progress in wiring substrate technology.

Conclusion

Kazuhiko Iijima is a distinguished inventor whose work in wiring substrate technology has led to several important patents. His contributions continue to influence the industry and enhance the performance of electronic devices.

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…