Yokohama, Japan

Tomohiko Yamamoto

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1993-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiko Yamamoto. Retrieved from https://idiyas.com/inventor/tomohiko-yamamoto-3jd608xd

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 = 1.6

ph-index = 3

Forward Citations = 11(Granted Patents)


Location History:

  • Yokohama, JP (1993)
  • Kanagawa-ken, JP (1997)

Company Filing History:


Years Active: 1993-1997

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Tomohiko Yamamoto: Innovator in Hybrid Integrated Circuits

Introduction

Tomohiko Yamamoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of hybrid integrated circuits, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of electronic devices through innovative circuit designs.

Latest Patents

Yamamoto's latest patents include a hybrid integrated circuit device that features circuit patterns made of a thick copper film. This device incorporates an insulation substrate where terminal patterns are connected through electrically conductive through-holes. Active elements such as transistors and passive elements like resistors and capacitors are mounted on the substrate, ensuring efficient electrical connections. Another significant patent is for a power amplifying circuit capable of switching amplification modes. This circuit allows for varying bias conditions and can selectively activate multiple amplifying modes with a single-unit power amplifying circuit.

Career Highlights

Tomohiko Yamamoto is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate in the field of electronics. His work has been instrumental in advancing hybrid integrated circuit technology, which is crucial for modern electronic applications.

Collaborations

Yamamoto has collaborated with notable coworkers, including Shoichi Tanimata and Kazuo Endou. Their combined expertise has contributed to the successful development of innovative technologies in their field.

Conclusion

Tomohiko Yamamoto's contributions to hybrid integrated circuits and power amplifying circuits highlight his role as a leading inventor in the electronics industry. His patents reflect a commitment to advancing technology and improving electronic device performance.

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]
Loading…