Tokyo, Japan

Toshiki Nakai

This inventor holds 10 USPTO granted patents and 3 published patent applications. Top assignees: Pioneer Electronic Corporation, Pioneer Electric Corporation. Active years: 1993-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiki Nakai. Retrieved from https://idiyas.com/inventor/toshiki-nakai

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

USPTO Granted Patents = 10 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 9

Forward Citations = 305(Granted Patents)


Location History:

  • Tokyo, JP (1993 - 1996)
  • Tokyo-to, JP (1996)

Company Filing History:


Years Active: 1993-1996

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10 patents (USPTO):Explore Patents

Title: Innovator Toshiki Nakai: Pioneering Musical Technology in Tokyo

Introduction

Toshiki Nakai, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of musical technology. With a portfolio of ten patents, Nakai's innovative spirit has led to the development of devices that enhance the way we produce and experience music.

Latest Patents

One of Nakai's latest inventions is a musical sound producing device equipped with a pitch change circuit. This device is designed to generate musical sounds from MIDI data, which includes play data for producing sounds with multiple tones, pitch data for designating the pitch of musical sounds, and pitch variable/invariable data. The MIDI sound source plays sounds as per the play data with pitch designated by the pitch data, while the pitch change circuit modifies the pitch data of only specified pitch variable tones based on pitch change information.

Another noteworthy patent is the melody controlling apparatus designed for music accompaniment playing systems. This apparatus features a reproducing device for first digital sound source controlling information and associated melody controlling information. It includes a memory for storing melody changing information and a melody changing device that reads this information according to the reproduced melody controlling information, ultimately enabling the generation of new digital sound source controlling information, enhancing the music production process.

Career Highlights

Throughout his career, Nakai has worked with notable companies such as Pioneer Electronic Corporation and Pioneer Electric Corporation. His experience at these reputable organizations has undoubtedly influenced his inventive pursuits and contributed to his success as a patent holder.

Collaborations

Nakai has collaborated with talented individuals in the industry, including coworkers Masuhiro Sato and Yoshiyuki Akiba. Their combined efforts in the realm of musical technology have further propelled innovations, particularly in the areas of sound production and melody manipulation.

Conclusion

Toshiki Nakai stands out as an influential figure in the realm of musical inventions. His innovative patents and collaborative work have paved the way for advancements in music technology, showcasing the importance of creativity and teamwork in the field. As he continues to develop new ideas, Nakai not only enriches the musical landscape in Japan but also inspires future generations of inventors and musicians around the world.

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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