Tokyo, Japan

Yoichi Fujisaka

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Rion Company Ltd.. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Fujisaka. Retrieved from https://idiyas.com/inventor/yoichi-fujisaka

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 = 4.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Yoichi Fujisaka

Introduction

Yoichi Fujisaka, based in Tokyo, Japan, is a distinguished inventor known for his innovative work in the field of auditory technology. With a singular patent to his name, he has made significant contributions to hearing devices that aim to enhance auditory experiences for users.

Latest Patents

Fujisaka's patent focuses on a highly specialized dereverberation device and hearing aid. This invention encompasses several key elements, including an input instantaneous value calculation unit to assess the input signal. The device employs a reverberation estimation unit that computes a moving average of the input instantaneous value, which characterizes the reverberation component. Furthermore, a gain calculation unit is integrated to derive a first gain, serving as a base for the input signal. To fine-tune the auditory output, a gain suppression control unit determines a second gain based on the relationship between the input value and the reverberation component, ultimately producing a third gain that enhances sound clarity through gain processing. This innovative approach helps to significantly improve the listening experience, particularly in environments with excessive reverberation.

Career Highlights

Yoichi Fujisaka is associated with Rion Company Ltd., where he has showcased his expertise and vision in the field of sound innovation. His work is recognized not only for its technical merit but also for its practical applications that benefit individuals with hearing difficulties. The combination of his knowledge in auditory technology and hands-on experience positions him as a notable figure in the industry.

Collaborations

Throughout his career, Fujisaka has collaborated with esteemed colleagues, including Masatoshi Osawa and Masahiro Sunohara. These collaborations have likely enriched his approach to innovation and provided a robust support network for tackling complex challenges in auditory technology.

Conclusion

In summary, Yoichi Fujisaka stands out as an innovative inventor whose work on a dereverberation device and hearing aid highlights both his technical capabilities and commitment to improving auditory experiences. His collaboration with respected peers and his role at Rion Company Ltd. further underscore his contributions to the field, marking him as a key player in the advancement of hearing technology.

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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