Tokyo, Japan

Tsutomu Toyoguchi

This inventor holds 10 USPTO granted patents, plus 2 CIPO patents. Top assignees: Sony Corporation, Sony Corportation, Sony Group Corporation. Active years: 1986-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Toyoguchi. Retrieved from https://idiyas.com/inventor/tsutomu-toyoguchi

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 = 2.1

ph-index = 6

Forward Citations = 139(Granted Patents)


Company Filing History:


Years Active: 1986-2024

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10 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Tsutomu Toyoguchi**

Introduction

Tsutomu Toyoguchi, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of acoustic technology. With a portfolio boasting ten patents, Toyoguchi has displayed a remarkable ability to innovate and enhance sound-related devices, making him a noteworthy figure in the invention landscape.

Latest Patents

Among his latest patents, Toyoguchi has developed an **Acoustic Reflector** that features a unique reflection portion with an elliptical reflection surface. This design allows sound output from a speaker device positioned at one focal point on the elliptical reflection surface to be effectively reflected. The innovation minimizes the size of the acoustic reflector while maintaining functionality within a nominal directional angle of the speaker device.

Additionally, he has patented a **Sound Collecting Device** designed for optimal sound input. This device includes a sound collecting unit that can be inserted into the external ear canal, along with a holding portion that maintains its position without obstructing the canal. The clever design allows for acoustic transparency, ensuring that the device does not block sound waves while remaining comfortably positioned in the ear.

Career Highlights

Throughout his career, Toyoguchi has collaborated with esteemed companies, notably **Sony Corporation**. His tenure at such a significant organization has been pivotal in fostering his inventive talents and contributing to various projects focused on enhancing audio experiences.

Collaborations

Working alongside talented professionals in his field, Toyoguchi has partnered with colleagues like Ryoji Takamatsu and You Yoshitoshi. These collaborations have allowed for a fruitful exchange of ideas and advancements in sound technology, further solidifying his reputation as an innovative inventor.

Conclusion

Tsutomu Toyoguchi exemplifies the spirit of innovation through his patents and contributions to the field of acoustic devices. His commitment to improving sound technology has not only led to the creation of groundbreaking products but has also inspired fellow inventors and companies alike. As the field continues to evolve, Toyoguchi's inventions will undoubtedly leave a lasting impact on how we experience sound.

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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