Hamamatsu, Japan

Shizuhiko Kawai

This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignee: Yamaha Corporation. Active years: 1998-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuhiko Kawai. Retrieved from https://idiyas.com/inventor/shizuhiko-kawai

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 3.6

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Hamamatsu, JP (1998)
  • Shizuoka-ken, JP (2004)

Company Filing History:


Years Active: 1998-2004

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3 patents (USPTO):Explore Patents

Title: Shizuhiko Kawai: Innovator in Electronic Musical Instruments

Introduction

Shizuhiko Kawai is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of electronic musical instruments, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of electronic music devices.

Latest Patents

One of Kawai's latest patents is a bi-directional serial bus system designed for constructing electronic musical instrument apparatuses. This innovative bus system interconnects various devices, allowing them to exchange signals while maintaining unique addresses. The system includes a serial clock line for transmitting clock signals and a serial data line for transferring data signals in synchronization with the clock. The source device acts as a master, initiating communication by sending clock and data signals, while the destination device operates as a slave, receiving the data based on the clock signal.

Another significant patent involves a sound source chip that features a variable clock to optimize external memory usage. This sound source apparatus integrates a central processing unit and a tone generating unit within a semiconductor chip. The master clock generator produces a master clock signal with selectable frequencies, while a mode changer designates operating modes that correspond to different speeds. This design allows for efficient access to external memory, enhancing the overall performance of the musical tone generation.

Career Highlights

Shizuhiko Kawai is currently employed at Yamaha Corporation, a leading company in the music and audio equipment industry. His work at Yamaha has allowed him to push the boundaries of electronic music technology, contributing to the development of innovative products that enhance musical creativity.

Collaborations

Kawai has collaborated with several talented individuals in his field, including Masaki Kudo and Tokio Shirakawa. These collaborations have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Shizuhiko Kawai's contributions to electronic musical instruments through his patents and work at Yamaha Corporation highlight his innovative spirit and dedication to advancing music technology. His inventions continue to influence the way musicians interact with electronic devices, paving the way for future developments 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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