Nara, Japan

Tatuo Yokoyama

This inventor holds 3 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatuo Yokoyama. Retrieved from https://idiyas.com/inventor/tatuo-yokoyama

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 = 1.7

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Tenri, JA (1976)
  • Yamatokoriyama, JP (1984)
  • Nara, JP (1990)

Company Filing History:


Years Active: 1976-1990

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3 patents (USPTO):Explore Patents

Title: Tatuo Yokoyama: Innovator in Communication Technology

Introduction

Tatuo Yokoyama is a notable inventor based in Nara, Japan. He has made significant contributions to the field of communication technology, holding a total of 3 patents. His innovative work has paved the way for advancements in communication interfaces and taximeter technology.

Latest Patents

Yokoyama's latest patents include a communication interface designed for connection to a communication apparatus. This interface features a balanced-type interface circuit that outputs a constant voltage approximately at the middle of the voltage level of transmitted data signals. It is specifically adapted to transmit a data signal to a balanced-type receiver contained in the communication apparatus. Another significant patent is a taximeter with a tariff display mode controlled by removable memory. This taximeter allows for simple changes in tariff display conditions across various operating modes without requiring modifications to the circuit construction. The use of a removable memory device enables optional setting of tariff display conditions without reconstructing the circuit arrangement of the taximeter body.

Career Highlights

Yokoyama is currently employed at Sharp Corporation, a leading company in the electronics industry. His work at Sharp has allowed him to focus on developing innovative solutions that enhance communication technologies.

Collaborations

Throughout his career, Yokoyama has collaborated with talented individuals such as Takefumi Sato and Takemi Mizuta. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Tatuo Yokoyama's contributions to communication technology through his patents demonstrate his innovative spirit and dedication to advancing the field. 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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