Kawasaki, Japan

Nobumasa Hasegawa

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Socionext Inc., Fujitsu Semiconductor Limited, Fujitsu Corporation. Active years: 2011-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumasa Hasegawa. Retrieved from https://idiyas.com/inventor/nobumasa-hasegawa

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 80.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Yokohama, JP (2011)
  • Kawasaki, JP (2016 - 2017)

Company Filing History:


Years Active: 2011-2017

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5 patents (USPTO):Explore Patents

Title: Nobumasa Hasegawa: Innovator in Semiconductor Technology

Introduction

Nobumasa Hasegawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on transmission circuits and integrated circuits, showcasing his expertise in electronic design.

Latest Patents

Hasegawa's latest patents include innovative designs for transmission circuits and semiconductor integrated circuits. One of his patents describes a transmission circuit that features a driver circuit with a transistor to regulate output impedance. This circuit also includes a switching circuit connected to the transistor, which regulates output impedance and switches output polarity for differential output. Additionally, a bias circuit generates a gate voltage to ensure the current-voltage characteristic of the transistor corresponds to a specific output impedance value.

Another notable patent involves a transmitter circuit that includes a driver with an output resistor set to a resistance value based on an input code. This circuit outputs an output signal to an output terminal and incorporates high and low potential side resistors connected to the output terminal. The transmitter circuit also features current sources and switches that manage the flow of current based on the input code.

Career Highlights

Throughout his career, Nobumasa Hasegawa has worked with leading companies in the semiconductor industry, including Socionext Inc. and Fujitsu Semiconductor Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Hasegawa has collaborated with notable professionals in his field, including Shigeaki Kawai and Kouichi Kanda. These collaborations have contributed to the advancement of technology in the semiconductor sector.

Conclusion

Nobumasa Hasegawa is a distinguished inventor whose work in semiconductor technology has led to multiple patents and significant advancements in the field. His innovative designs continue to influence the industry and pave the way for future developments.

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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