Nukata-gun, Japan

Masahiro Kitagawa

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignees: Denso Corporation, Sintokogio, Ltd.. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Kitagawa. Retrieved from https://idiyas.com/inventor/masahiro-kitagawa-c3u987uo

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

Calculating rank
USPTO Granted Patents = 7 

% Patents Active = 85.7

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Aichi-ken, JP (2002 - 2004)
  • Nukata-gun, JP (2006 - 2007)
  • Nukata, JP (2013)

Company Filing History:


Years Active: 2002-2013

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7 patents (USPTO):Explore Patents

Title: The Innovative Mind of Masahiro Kitagawa

Introduction

Masahiro Kitagawa is a notable inventor hailing from Nukata-gun, Japan. He has made significant contributions to the field of electronics, holding a total of 7 patents. His work primarily focuses on improving circuit designs and enhancing the efficiency of electronic devices.

Latest Patents

Among his latest innovations is the "Ringing Suppression Circuit." This invention features an inter-line switching element formed of a MOSFET, which is strategically placed between a pair of signal lines. When the level of a differential signal transitions from high to low, a control circuit activates the FET for a predetermined duration. This action effectively suppresses ringing by reducing the impedance between the signal lines during the transition, allowing the distortion energy of the differential signal waveform to be absorbed by the on-resistance of the FET.

Another significant patent is the "Comparator Switching Apparatus and Method." This invention involves an operation switching circuit that alternates between two comparators receiving communication data, based on the normal and standby modes of a microcomputer. A delay circuit is incorporated to postpone a mode switching signal. The mode switching signal and the delayed signal are combined using an OR gate and an AND gate to generate two comparator control signals with varying high-level periods. The comparators are driven by these control signals, while a multiplexer is activated by the delayed signal. This design ensures that when one comparator transitions from an inactive to an active state, the other remains active for a delay period before becoming inactive.

Career Highlights

Masahiro Kitagawa has worked with prominent companies in the industry, including Denso Corporation and Sintokogio, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Kitagawa has collaborated with talented individuals such as Junichi Nagata and Akio Kojima. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masahiro Kitagawa's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.

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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