Iruma, Japan

Kohtaro Hanzawa

This inventor holds 26 USPTO granted patents, primarily in Electronic Musical Instruments. Top assignees: Casio Computer Co., Ltd., Terumo Kabushiki Kaisha. Active years: 1984-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohtaro Hanzawa. Retrieved from https://idiyas.com/inventor/kohtaro-hanzawa

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 = 3.2

ph-index = 9

Forward Citations = 215(Granted Patents)


Location History:

  • Niiza, JP (1984)
  • Tokyo, JP (1985 - 1995)
  • Iruma, JP (1992 - 1996)
  • Fussa, JP (1991 - 1998)

Company Filing History:


Years Active: 1984-1998

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Areas of Expertise:
Tone Information Processing
Signal Processing Apparatus
Effect Adding Apparatus
Waveform Signal Generation
Digital Filter System
Musical Tone Generation
Envelope Control
Electronic Keyboard Instrument
Waveform Memory
Overdubbing Apparatus
Resonance Characteristics
26 patents (USPTO):Explore Patents

Title: The Innovative Journey of Kohtaro Hanzawa

Introduction

Kohtaro Hanzawa, a prolific inventor based in Iruma, Japan, has made significant contributions to the field of electronic musical instruments. Holding a remarkable 26 patents, his work reflects a unique blend of creativity and technical expertise that enhances musical performance.

Latest Patents

One of Hanzawa's latest innovations is a tone information processing device for electronic musical instruments. This device features a tone generator that produces various digital waveform signals, each representing different timbres. It incorporates a sophisticated system that sets ranges defined by two key parameters: the pitch parameter and the key touch parameter. These parameters adapt based on musical performance, allowing musicians to explore a variety of sounds. An input device captures the performance inputs, while a judging device evaluates the ranges of these parameters. The final output is a dynamically selected digital waveform signal tailored to the performance, enhancing the musician's expressive capabilities.

Career Highlights

Throughout his career, Kohtaro Hanzawa has worked with esteemed companies, including Casio Computer Co., Ltd. and Terumo Corporation. His expertise in developing innovative solutions has placed him at the forefront of technological advancements in the music industry. His patents demonstrate a strong commitment to improving the quality of electronic sound and user experience.

Collaborations

Hanzawa has collaborated with notable colleagues such as Hiroyuki Sasaki and Shigenori Morikawa. Together, they have pooled their talents and insights to push the boundaries of electronic music technology, resulting in innovative products that resonate with musicians around the world.

Conclusion

Kohtaro Hanzawa's journey as an inventor highlights the transformative power of innovation in music technology. With 26 patents to his name, his contributions are invaluable in shaping how musicians interact with electronic instruments. As he continues to develop groundbreaking technologies, the future of electronic music remains bright, promising even more creative possibilities for artists everywhere.

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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