Tokyo, Japan

Tatsumasa Yoshida

This inventor holds 7 USPTO granted patents. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 1983-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsumasa Yoshida. Retrieved from https://idiyas.com/inventor/tatsumasa-yoshida

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 = 4

Forward Citations = 175(Granted Patents)


Company Filing History:


Years Active: 1983-2002

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7 patents (USPTO):Explore Patents

Title: The Innovative Journey of Tatsumasa Yoshida

Introduction

Tatsumasa Yoshida, an accomplished inventor based in Tokyo, Japan, holds a remarkable portfolio of seven patents. His groundbreaking work in radio technology and audio processing showcases his dedication to improving communication systems. Yoshida's inventions reflect a profound understanding of both technical challenges and solutions in the realm of audio signal processing.

Latest Patents

Among Yoshida's latest patents is a sophisticated radio receiver designed to enhance the quality of voice signals transmitted over potentially unreliable propagation paths. Conventional radio receivers often face issues when reception levels are low, leading to an increase in noise that compromises clarity. Yoshida's innovation addresses this by comparing the supervisory signal's level with the accompanying noise, effectively controlling the output to deliver a clearer voice signal to users.

Additionally, Yoshida has developed a method and apparatus for echo cancellation using multiple microphones. This innovative echo canceling system utilizes two microphones to capture both near-end speech and echo components. Through a seamless integration of adaptive filters, the system cancels out the echo while enhancing the near-end speech, resulting in high-quality audio output with reduced background noise.

Career Highlights

Yoshida's career has been marked by significant contributions to audio technology, particularly during his tenure at Oki Electric Industry Co., Ltd. His inventions have not only paved the way for advancements in telecommunications but have also set new standards for clarity in audio communications.

Collaborations

In his innovative endeavors, Tatsumasa Yoshida has collaborated closely with talented coworkers, including Ryoichi Miyamoto and Masashi Takada. Together, they have advanced the state of audio technologies, contributing to Oki Electric Industry's reputation as a leader in this field.

Conclusion

Tatsumasa Yoshida embodies the spirit of innovation, continually striving to enhance the technologies that facilitate communication. His latest patents underscore his commitment to overcoming challenges in audio signal processing, demonstrating how one inventor can significantly impact the industry and improve user experience in everyday communication.

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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