Kasugai, Japan

Masao Iijima

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2004-2006.

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

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 = 3.3

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:


Years Active: 2004-2006

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3 patents (USPTO):Explore Patents

Title: Masao Iijima: Innovator in Semiconductor Technology

Introduction

Masao Iijima is a prominent inventor based in Kasugai, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of electronic devices.

Latest Patents

Iijima's latest patents include a spread spectrum clock generation circuit, a jitter generation circuit, and a semiconductor device. The spread spectrum clock generation circuit is designed to further reduce electromagnetic wave radiation with a simple configuration. This innovation utilizes a current control oscillator (ICO) to generate a differential signal, which incorporates a spread spectrum modulation signal with varying period or amplitude. This differential signal is then applied to the ICO to produce a clock signal.

Career Highlights

Masao Iijima is associated with Fujitsu Corporation, where he has been instrumental in advancing semiconductor technologies. His expertise and innovative approach have positioned him as a key figure in the industry.

Collaborations

Iijima has collaborated with notable colleagues, including Shinji Miyata and Kouji Okada. Their combined efforts have contributed to the development of cutting-edge technologies in the semiconductor field.

Conclusion

Masao Iijima's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.

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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