Tokyo, Japan

Keitaro Fujiwara

This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Sony Corporation. Active years: 2010-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keitaro Fujiwara. Retrieved from https://idiyas.com/inventor/keitaro-fujiwara

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

USPTO Granted Patents = 4 


Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 2010-2015

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4 patents (USPTO):Explore Patents

Title: Keitaro Fujiwara: Innovator in Headphone Technology

Introduction

Keitaro Fujiwara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of audio technology, particularly in the design and functionality of headphone devices. With a total of 4 patents to his name, Fujiwara continues to push the boundaries of innovation in this competitive industry.

Latest Patents

Among his latest inventions is a headphone device that features a driver unit and an ear-hook hanger of a loop shape. This design is integrated with the driver unit and supports the entire circumference of an ear capsule, providing enhanced comfort and sound quality for users. This innovative approach to headphone design showcases Fujiwara's commitment to improving user experience.

Career Highlights

Fujiwara is currently employed at Sony Corporation, a leading company in the electronics and entertainment industry. His work at Sony has allowed him to collaborate with some of the brightest minds in the field, further enhancing his skills and expertise in audio technology.

Collaborations

Some of his notable coworkers include Naotaka Tsunoda and Katsunori Murozaki. Their collaborative efforts have contributed to the development of cutting-edge audio products that resonate with consumers worldwide.

Conclusion

Keitaro Fujiwara's innovative spirit and dedication to improving headphone technology have established him as a key figure in the industry. His contributions continue to influence the way we experience sound 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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