Rancho Palos Verdes, CA, United States of America

Kachu Ishizuka

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1984-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kachu Ishizuka. Retrieved from https://idiyas.com/inventor/kachu-ishizuka-rt8pjn3v

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 = 1.5

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:

goldMedal2 out of 834,570 
Other
 patents

Years Active: 1984-1989

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2 patents (USPTO):Explore Patents

Title: Kachu Ishizuka: Innovator in Musical and Optical Technologies

Introduction

Kachu Ishizuka is a notable inventor based in Rancho Palos Verdes, CA (US). He has made significant contributions to both the music and optical technology fields. With a total of 2 patents, his work reflects a blend of creativity and technical expertise.

Latest Patents

One of Kachu Ishizuka's latest inventions is an innovative guitar pick. This artificial guitar pick includes a coupler designed for attaching an artificial nail to the end of a natural nail. The coupler features grooves into which both the natural and artificial nails are inserted. The curvature of the artificial nail approximates that of natural nails, ensuring that the guitar pick does not cause any unnatural feeling to the player. Another significant invention is an optical displacement sensor. This device and method accurately sense the direction and magnitude of small displacements between two objects, independent of the distance between them. It utilizes a monochromatic light source and a reflector to produce a light standing wave pattern, along with a transparent photosensitive detector to detect the number of crests and/or nodes of the light standing wave pattern intercepted.

Career Highlights

Kachu Ishizuka has demonstrated a strong commitment to innovation throughout his career. His inventions showcase his ability to address practical challenges in both music and technology.

Collaborations

Kachu has collaborated with notable individuals in his field, including David H Alexander and Robert N Sato. These partnerships have likely contributed to the development and refinement of his inventions.

Conclusion

Kachu Ishizuka is a talented inventor whose work in creating a unique guitar pick and an advanced optical displacement sensor highlights his innovative spirit. His contributions continue to impact the fields of music and technology positively.

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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