Kawagoe, Japan

Tomohisa Ishikawa

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignee: Casio Computer Co., Ltd.. Active years: 1984-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohisa Ishikawa. Retrieved from https://idiyas.com/inventor/tomohisa-ishikawa-w6aepzbx

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 = 1.7

ph-index = 4

Forward Citations = 67(Granted Patents)


Location History:

  • Tokyo, JP (1984)
  • Kawagoe, JP (1984 - 1990)

Company Filing History:


Years Active: 1984-1990

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5 patents (USPTO):Explore Patents

Title: Innovations of Tomohisa Ishikawa

Introduction

Tomohisa Ishikawa is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of electronic musical instruments, holding a total of five patents. His work has greatly influenced the way music is created and experienced through technology.

Latest Patents

One of his latest patents is for an electronic musical instrument that features automatic sound signal generation. This invention includes a keyboard panel with multiple pad operating means for manual operation. When an operator interacts with the pads during melody play, an operation signal is sent to a CPU, which generates rhythm sounds corresponding to the operated pad. Additionally, an automatic sound signal generator is included to produce sound signals based on a designated rhythm, with the ability to selectively stop sound signal generation. Another recent patent focuses on an electronic musical instrument with a rhythm-play function, utilizing similar pad operating means and CPU control to enhance the musical experience.

Career Highlights

Tomohisa Ishikawa is currently employed at Casio Computer Co., Ltd., a company renowned for its innovative electronic products. His work at Casio has allowed him to develop cutting-edge technologies that bridge the gap between traditional music and modern electronic capabilities.

Collaborations

Throughout his career, Ishikawa has collaborated with talented individuals such as Yoichiro Tajima and Hideo Yamaya. These collaborations have fostered a creative environment that has led to the development of groundbreaking musical technologies.

Conclusion

Tomohisa Ishikawa's contributions to electronic musical instruments have made a lasting impact on the industry. His innovative patents and collaborations continue to shape the future of music 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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