Mitaka, Japan

Yoshimoto Omura

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1979-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimoto Omura. Retrieved from https://idiyas.com/inventor/yoshimoto-omura

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 = 3.7

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1979-1980

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2 patents (USPTO):Explore Patents

Title: Innovations by Yoshimoto Omura in Tone Arm Assembly Technology

Introduction

Yoshimoto Omura is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of audio technology, particularly in the design of tone arm assemblies for record players. With a total of 2 patents, his work has enhanced the quality of sound reproduction in vinyl playback systems.

Latest Patents

Omura's latest patents include innovative designs for tone arm assemblies. The first patent describes a tone arm assembly that features first and second electro-magnetic motors. These motors are operable for swinging the tone arm in vertical and horizontal directions, respectively, in relation to a record disc on a turntable. A control circuit is included to manage the motors, allowing the tone arm to move from a raised inoperative position to a lowered playing position, and vice versa, in response to control signals. The second patent also focuses on a tone arm assembly, which incorporates a first motor for vertical rotation and a second motor for horizontal rotation of the tone arm. This design includes a detector that identifies low-frequency vibrations during record playback, feeding back signals to the motors to cancel these vibrations. This innovation ensures high-fidelity sound reproduction while also allowing for stylus pressure and elevation angle adjustments.

Career Highlights

Yoshimoto Omura is currently associated with Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to push the boundaries of audio technology, contributing to the development of high-quality sound systems.

Collaborations

Throughout his career, Omura has collaborated with notable colleagues, including Isao Kawashima and Heitaro Nakajima. These collaborations have fostered a creative environment that has led to groundbreaking advancements in audio technology.

Conclusion

Yoshimoto Omura's contributions to tone arm assembly technology have significantly impacted the audio industry. His innovative designs and patents continue to influence the way we experience sound reproduction today.

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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