Shizuoka, Japan

Toshiaki Sakai

This inventor holds 2 USPTO granted patents. Top assignee: Yamaha Corporation. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiaki Sakai. Retrieved from https://idiyas.com/inventor/toshiaki-sakai-4c1ln4fw

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 = 3.4

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Shizuoka, JP (1990)
  • Hamamatsu, JP (1993)

Company Filing History:


Years Active: 1990-1993

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2 patents (USPTO):Explore Patents

Title: Toshiaki Sakai: Innovator in Piano Technology

Introduction

Toshiaki Sakai is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of musical instruments, particularly in the design and functionality of pianos. With a total of 2 patents to his name, Sakai's innovations have enhanced the playing experience for musicians.

Latest Patents

Sakai's latest patents include a muting device for upright pianos and a mechanical keyboard instrument with pedal mechanisms. The muting device features a unique design that includes a butt, a wippen, a capstan button, and a muting mechanism. This device allows for the rotation of the butt in response to key displacement, effectively reducing the string-striking stroke by rotating the hammer. Additionally, the mechanical keyboard instrument incorporates a main sostenuto pedal mechanism and an auxiliary sostenuto pedal mechanism, providing enhanced control over the dampers associated with the keys.

Career Highlights

Sakai is currently employed at Yamaha Corporation, a leading company in the musical instrument industry. His work at Yamaha has allowed him to collaborate with other talented individuals in the field, contributing to the advancement of piano technology.

Collaborations

Some of Sakai's coworkers include Hajime Hayashida and Satoshi Inoue. Their collective expertise has fostered an environment of innovation and creativity within the company.

Conclusion

Toshiaki Sakai's contributions to piano technology through his patents demonstrate his commitment to enhancing musical instruments. His work continues to influence the way musicians interact with their instruments, making a lasting impact in 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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