Saitama, Japan

Hishashi Hamachi

This inventor holds 2 USPTO granted patents. Top assignee: Pioneer Electronic Corporation. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hishashi Hamachi. Retrieved from https://idiyas.com/inventor/hishashi-hamachi

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 = 2.0

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1990-1991

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Hishashi Hamachi and His Digital Audio Cassette Patents.

Introduction

Hishashi Hamachi is an inventor associated with Saitama, Japan, and Pioneer Electronic Corporation. His recorded patent work includes 2 patents, including an invention concerning an automatic changer for a digital audio cassette tape player.

Latest Patents

Hamachi’s listed patent, “Automatic Changer for Digital Audio Cassette Tape Player,” describes a system for selecting and loading a cassette into a tape-travel mechanism. Holders keep the cassettes positioned so their labels can be viewed from the front of the player. Support members and a motor-driven conveyor enable the mechanism to select a cassette and move it into position while it remains held.

Career Highlights

Hamachi’s patent work reflects an engineering focus on cassette handling and automated playback equipment. His listed affiliation is Pioneer Electronic Corporation, a company known for developing audio and electronic products.

Collaborations

Tamotsu Harada is identified as Hamachi’s coworker. The available information does not specify their particular collaborative projects or contributions to the listed patent.

Conclusion

Hishashi Hamachi’s recorded invention addresses the practical challenge of automatically selecting and loading digital audio cassettes, illustrating his contribution to audio-player 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]
Loading…