Tokyo, Japan

Yasuyuki Yufu

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi-Kokusai Electric Inc.. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Yufu. Retrieved from https://idiyas.com/inventor/yasuyuki-yufu

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 = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Yasuyuki Yufu: Innovator in Variable Attenuation Technology

Introduction

Yasuyuki Yufu is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electronic devices, particularly in the area of variable attenuation technology. His innovative approach has led to the development of a unique device that enhances performance while maintaining impedance levels.

Latest Patents

Yufu holds a patent for a "Variable attenuator device having substantially constant impedance." This invention allows for the adjustment of attenuation at a constant impedance level. The device includes at least three variable resistors, where two resistors exhibit substantially the same linear resistance characteristics and are controlled in a similar manner. The third variable resistor has a non-linear resistance characteristic and is controlled concurrently with the other two. This design ensures that attenuation can be adjusted while keeping the impedance constant.

Career Highlights

Yasuyuki Yufu is associated with Hitachi Kokusai Electric Inc., where he has been instrumental in advancing technology related to electronic devices. His work has been recognized for its innovative approach and practical applications in various electronic systems.

Collaborations

Yufu collaborates with Kotaro Takenaga, who is also involved in the development of advanced electronic technologies. Their partnership has contributed to the success of various projects within their organization.

Conclusion

Yasuyuki Yufu's contributions to variable attenuation technology exemplify the spirit of innovation in the electronics field. His patent and collaborative efforts continue to influence advancements in electronic device design.

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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