Kadoma, Japan

Toshinori Morikawa

This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshinori Morikawa. Retrieved from https://idiyas.com/inventor/toshinori-morikawa

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 = 4.0

ph-index = 2

Forward Citations = 51(Granted Patents)


Location History:

  • Kadoma, JP (1980)
  • Katano, JP (1985)

Company Filing History:


Years Active: 1980-1985

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2 patents (USPTO):Explore Patents

Title: **Toshinori Morikawa: Innovator in Magnetic Recording Technology**

Introduction

Toshinori Morikawa is a distinguished inventor based in Kadoma, Japan, renowned for his contributions to the field of magnetic recording technology. With a total of two patents to his name, Morikawa's innovative approaches have significantly influenced the way video signals are recorded and played back.

Latest Patents

Morikawa's latest patents showcase his ingenuity. The first patent is for a **Magnetic recording/playback device**, which features a tape mounting device designed to facilitate the mounting and demounting of a magnetic tape on a magnetic head drum. This device operates through a mode switching driving mechanism that allows for the smooth transition between various operational modes, such as recording, playback, rewinding, and forwarding. By utilizing a single driving power source, this innovation aims to reduce the overall size and weight of the recording/playback device.

The second patent is a **Method of slow-motion playback of video signals and video tape recorder**, which enhances the capabilities of helical scan video signal tape recorders. This invention incorporates two auxiliary heads alongside the main heads to effectively reproduce slow-motion images from magnetic tapes recorded using the azimuth recording method. The precise positioning of the auxiliary heads allows for optimal performance in video signal demodulation.

Career Highlights

Morikawa is currently associated with Matsushita Electric Industrial Co., Ltd., a leading player in the electronics manufacturing sector. His career at this prestigious company is marked by a dedication to innovation and a commitment to advancing technology in magnetic recording.

Collaborations

Throughout his career, Morikawa has worked alongside esteemed colleagues such as Satoshi Kikuya and Shinichi Harazono. This collaborative spirit has allowed for the exchange of ideas and fostered a creative environment, essential for groundbreaking inventions.

Conclusion

Toshinori Morikawa's inventive spirit and dedication to improving magnetic recording technology have established him as a prominent figure in his field. His latest patents underscore the importance of innovation in enhancing device functionality and user experience. As he continues to contribute to technological advancements, Morikawa remains a key player in the evolution of video recording 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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