Akishima, Japan

Takeshi Yamamoto

This inventor holds 2 USPTO granted patents. Top assignee: Foster Electric Company, Limited. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Yamamoto. Retrieved from https://idiyas.com/inventor/takeshi-yamamoto-nqe1c2nu

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: The Innovations of Takeshi Yamamoto

Introduction

Takeshi Yamamoto is a notable inventor based in Akishima, Japan. He has made significant contributions to the field of audio technology, particularly through his innovative designs in speaker devices. His work reflects a deep understanding of acoustics and engineering principles.

Latest Patents

One of his key patents is for a speaker device and acoustic system. This invention includes a limiting unit that restricts the signal band of an input sound source signal. The speaker unit features a diaphragm housed within a specially designed casing. The drive circuit outputs a control signal that causes the diaphragm to vibrate based on the limited sound source signal. The limiting unit is designed to restrict the sound source signal to a frequency band that includes a peak frequency of the speaker unit's amplitude characteristics, tailored to the shapes of both the speaker unit and the housing. This patent showcases his innovative approach to enhancing sound quality.

Career Highlights

Takeshi Yamamoto is currently employed at Foster Electric Company, Limited, where he continues to develop cutting-edge audio technologies. His work at this esteemed company has allowed him to collaborate with other talented engineers and contribute to advancements in the audio industry.

Conclusion

Takeshi Yamamoto's contributions to speaker technology exemplify his innovative spirit and technical expertise. His patent for a speaker device highlights his ability to merge functionality with design, making a lasting impact in the field of acoustics.

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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