Yokohama, Japan

Tadashi Yoshikawa

This inventor holds 1 USPTO granted patent. Top assignee: Fujitsu Corporation. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Yoshikawa. Retrieved from https://idiyas.com/inventor/tadashi-yoshikawa-pxca81bv

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: The Innovations of Tadashi Yoshikawa

Introduction

Tadashi Yoshikawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electronics, particularly with his innovative designs and patents. His work has been instrumental in advancing technology in various applications.

Latest Patents

One of his key patents is the Variable Level Converter. This invention comprises a first variable level converting unit, a second variable level converting unit, and an amplifying transistor connected therebetween. Each of the first and second variable level converting units includes an inverted L-type variable attenuator, which features a variable impedance element. Notably, each variable impedance element is controlled by the same level control signal and possesses the same electric characteristics. This patent showcases his expertise in creating efficient electronic components.

Career Highlights

Tadashi Yoshikawa is currently employed at Fujitsu Corporation, a leading technology company known for its innovative solutions. His role at Fujitsu allows him to collaborate with other talented engineers and contribute to groundbreaking projects. His work has garnered recognition within the industry, highlighting his skills and dedication to innovation.

Collaborations

Throughout his career, Tadashi has worked alongside esteemed colleagues such as Tsuguo Otsuki and Shinjiro Suzuki. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of new technologies.

Conclusion

Tadashi Yoshikawa's contributions to the field of electronics through his patent for the Variable Level Converter and his work at Fujitsu Corporation exemplify his commitment to innovation. His collaborations with other talented professionals further enhance his impact on the industry.

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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