Iwaki, Japan

Motoshi Nishinakagawa

This inventor holds 1 USPTO granted patent. Top assignee: Alps Motorola, Inc.. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoshi Nishinakagawa. Retrieved from https://idiyas.com/inventor/motoshi-nishinakagawa

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 = 1.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Motoshi Nishinakagawa: Innovator in Audio Technology

Introduction

Motoshi Nishinakagawa is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of audio technology, particularly with his innovative designs in tape players. His work has been recognized for its technical ingenuity and practical applications.

Latest Patents

Nishinakagawa holds a patent for a two-channel and four-channel cartridge tape player. This invention features a ganged multi-pole changeover switch, magnetic tape head means with four magnetic pick-up areas, and a rotary switch that includes both a first and a second switch portion. The design incorporates a four-stepped head shifting cam, which is advanced by drive means that includes a solenoid actuated by the second switch portion. This mechanism allows for seamless transitions between tape tracks, providing continuous playback when a four-channel tape cartridge is in the play position.

Career Highlights

Motoshi Nishinakagawa is currently associated with Alps Motorola, Inc., where he continues to innovate in audio technology. His work has contributed to advancements in how audio playback devices function, enhancing user experience and sound quality.

Conclusion

Motoshi Nishinakagawa's contributions to audio technology through his patent for a two-channel and four-channel cartridge tape player exemplify his innovative spirit. His work at Alps Motorola, Inc. highlights his commitment to advancing the field of audio devices.

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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