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For the Inventor, By the Inventor

Hamamatsu, Japan

Ryoji Tanji

This inventor holds 6 USPTO granted patents. Top assignee: Yamaha Corporation. Active years: 1999-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Tanji. Retrieved from https://idiyas.com/inventor/ryoji-tanji

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

USPTO Granted Patents = 6

% Patents Active = 66.7

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2009)
  • Hamamatsu, JP (1999 - 2020)

Company Filing History:

goldMedal6 out of 5,501 
 
Yamaha Corporation
 patents

Years Active: 1999-2020

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6 patents (USPTO):Explore Patents
1. 10637426 - Audio device and control method for an audio device (2020-04-28),
2. 7570770 - Mixing apparatus for audio data, method of controlling the same, and mixing control program (2009-08-04),
3. 6754351 - Music apparatus with dynamic change of effects (2004-06-22),
4. 6437228 - Method and apparatus for storing audio data (2002-08-20),
5. 5973255 - Electronic musical instrument utilizing loop read-out of waveform segment (1999-10-26),
6. 5942711 - Roll-sound performance device and method (1999-08-24),

Title: Ryoji Tanji: Innovator in Audio Technology

Introduction

Ryoji Tanji is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of audio technology, holding a total of 6 patents. His work focuses on enhancing audio devices and mixing apparatus, making them more user-friendly and efficient.

Latest Patents

Tanji's latest patents include an innovative audio device and a control method for such devices. This audio device features a processor that performs signal processing on sound signals based on parameter values. It includes a display, multiple operating elements, and a controller that adjusts parameter values according to user interactions. The controller is designed to execute a first routine when a malfunction is detected, ensuring that users receive immediate feedback through the display while muting the processed signal.

Another significant patent is for a mixing apparatus for audio data, which allows users to engage in musical performances at a low cost through simple operations. This apparatus can mix multiple audio data inputs and reproduce stored audio data when specific operating members are activated. This innovation enhances the user experience in audio mixing and performance.

Career Highlights

Ryoji Tanji is currently employed at Yamaha Corporation, a leading company in the music and audio equipment industry. His work at Yamaha has allowed him to develop cutting-edge audio technologies that are widely recognized in the industry.

Collaborations

Tanji has collaborated with talented coworkers such as Akito Kohno and Hironari Kobayashi. Their combined expertise has contributed to the successful development of innovative audio solutions.

Conclusion

Ryoji Tanji's contributions to audio technology through his patents and work at Yamaha Corporation highlight his role as a key innovator in the field. His inventions continue to shape the way users interact with audio devices and mixing apparatus, making significant strides in enhancing audio experiences.

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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