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For the Inventor, By the Inventor

Hamamatsu, Japan

Shuzo Karakawa

This inventor holds 11 USPTO granted patents and 1 EPO patent. Top assignee: Yamaha Corporation. Active years: 2002-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuzo Karakawa. Retrieved from https://idiyas.com/inventor/shuzo-karakawa

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

USPTO Granted Patents = 11

% Patents Active = 54.5


Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 149(Granted Patents)


Company Filing History:

goldMedal11 out of 5,504 
 
Yamaha Corporation
 patents

Years Active: 2002-2011

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11 patents (USPTO):Explore Patents
1. 7977559 - Tone generation system controlling the music system (2011-07-12),
2. 7847174 - Tone generation system controlling the music system (2010-12-07),
3. 7592531 - Tone generation system (2009-09-22),
4. 7514624 - Portable telephony apparatus with music tone generator (2009-04-07),
5. 7161081 - Portable telephony apparatus with music tone generator (2007-01-09),
6. 7119268 - Portable telephony apparatus with music tone generator (2006-10-10),
7. 7041893 - Electronic musical instrument with customization of auxiliary capability (2006-05-09),
8. 6967276 - Portable telephony apparatus with music tone generator (2005-11-22),
9. 6911592 - Portable telephony apparatus with music tone generator (2005-06-28),
10. 6835884 - System, method, and storage media storing a computer program for assisting in composing music with musical template data (2004-12-28),
11. 6429365 - Performance control apparatus and method capable of shifting performance style during performance (2002-08-06),

Title: Shuzo Karakawa: Innovator in Tone Generation Systems

Introduction

Shuzo Karakawa is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of music technology, particularly in the development of tone generation systems. With a total of 11 patents to his name, Karakawa's work has had a lasting impact on how music systems operate in various environments.

Latest Patents

One of Karakawa's latest patents involves a tone generation system that controls music systems across multiple rooms. This innovative system utilizes a star-shaped LAN, where hubs are installed to connect tone-generation-related devices such as keyboards, tone generator devices, and speakers. In this setup, the keyboard is logically connected to the input side of the tone generator device, while the speaker is connected to the output side. Each device is equipped with network adaptors for easy connection to the LAN. Communication between these devices is facilitated through a specialized communication protocol designed for retransmission control. Each tone-generation-related device functions as a processor that executes programs corresponding to desired processing elements. This allows for a flexible and efficient tone generation system.

Career Highlights

Karakawa has dedicated his career to advancing music technology through innovative solutions. His work at Yamaha Corporation has positioned him as a key player in the industry. His patents reflect a deep understanding of both music and technology, showcasing his ability to merge these fields effectively.

Collaborations

Throughout his career, Karakawa has collaborated with notable colleagues, including Shigehiko Mizuno and Kensuke Ide. These partnerships have further enriched his contributions to the field and have fostered a collaborative environment for innovation.

Conclusion

Shuzo Karakawa's contributions to tone generation systems exemplify the intersection of technology and music. His innovative patents and work at Yamaha Corporation continue to influence the way music is experienced in various settings. His legacy as an inventor is marked by a commitment to enhancing musical experiences through technology.

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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