Hamamatsu, Japan

Yoshimasa Yoshikawa

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Gakki Seizo Kabushiki Kaisha, Yamaha Corporation. Active years: 1987-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimasa Yoshikawa. Retrieved from https://idiyas.com/inventor/yoshimasa-yoshikawa

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 = 1.3

ph-index = 2

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1987-1996

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2 patents (USPTO):Explore Patents

Title: Innovations by Yoshimasa Yoshikawa

Introduction

Yoshimasa Yoshikawa is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of musical instruments, particularly in the design and functionality of keyboard instruments. With a total of 2 patents, his work reflects a commitment to enhancing the user experience for musicians.

Latest Patents

Yoshikawa's latest patents include innovative designs that address common challenges faced by keyboard instrument players. One of his patents is for a key for keyboard instruments that features a perspiration-absorbing surface. This design includes a molded key body that is pivotally secured to a supporting member of the instrument and is formed of synthetic resin. The perspiration-absorbing sheet is provided over the surface of the key body, serving as a top playing surface that enhances comfort during use. Another patent is for an electronic musical instrument with a keyboard and cover. This instrument features a housing that includes a keyboard and an operation panel, with a cover designed to protect these components. The cover has guide projections and is equipped with coupling devices that allow for easy opening and closing, transforming the outer surface into a music rack when opened.

Career Highlights

Throughout his career, Yoshikawa has worked with prominent companies in the music industry, including Yamaha Corporation and Nippon Gakki Seizo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative musical products.

Collaborations

Yoshikawa has collaborated with various professionals in the field, including his coworker Keisuke Watanabe. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of new technologies in musical instruments.

Conclusion

Yoshimasa Yoshikawa's contributions to the field of musical instruments through his innovative patents demonstrate his dedication to improving the musician's experience. His work continues to influence the design and functionality of keyboard instruments, making a lasting impact on the industry.

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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