Hamamatsu, Japan

Junji Tomita

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Gakki Seizo Kabushiki Kaisha, Yamaha Corporation. Active years: 1988-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Tomita. Retrieved from https://idiyas.com/inventor/junji-tomita-5nidw4f5

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 = 1.3

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1988-1992

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2 patents (USPTO):Explore Patents

Title: Innovations by Junji Tomita in Electric Guitar Technology

Introduction

Junji Tomita is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of electric guitar technology, holding 2 patents that enhance the functionality and sound quality of electric guitars. His innovative designs focus on tremolo units, which are essential for creating unique musical effects.

Latest Patents

One of Tomita's latest patents is a tremolo unit for an electric guitar. This invention features a bridge coupled to a swingable bridge base, which is movable in the string direction. It includes a presser piece that moves within a string hole, allowing for effective string locking and pressure application. This design minimizes damage to the string construction while improving the tone color of the musical tones generated by the electric guitar.

Another significant patent is the tremolo unit mechanism for electric guitars. This mechanism includes a vertically disposed bridge base that pivots around a support point on the guitar body. It incorporates balancing springs to counteract the tension of the strings, along with octave adjusting screws and a tremolo arm for vertical movement. The control mechanism allows for precise pivotal movement of the bridge base, enhancing the player's control over the instrument.

Career Highlights

Throughout his career, Junji Tomita has worked with prominent companies in the music industry, including Nippon Gakki Seizo Kabushiki Kaisha and Yamaha Corporation. His experience in these organizations has contributed to his expertise in developing innovative guitar technologies.

Collaborations

Tomita has collaborated with Kiyoshi Minakuchi, a fellow innovator in the field. Their partnership has likely fostered the development of advanced musical instruments and technologies.

Conclusion

Junji Tomita's contributions to electric guitar technology through his patents demonstrate his commitment to innovation in the music industry. His work continues to influence the design and functionality of electric guitars, enhancing the musical experience for players worldwide.

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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