Hino, Japan

Yukio Kameyama

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Hoso' Kyokai, Other. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Kameyama. Retrieved from https://idiyas.com/inventor/yukio-kameyama

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 = 4.0

ph-index = 2

Forward Citations = 28(Granted Patents)


Location History:

  • Hino, JA (1976)
  • Hino, JP (1979)

Company Filing History:

goldMedal2 out of 382 
 
Nippon Hoso' Kyokai
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-1979

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2 patents (USPTO):Explore Patents

Title: Innovations of Yukio Kameyama

Introduction

Yukio Kameyama is a notable inventor based in Hino, Japan. He has made significant contributions to the field of magnetic video tape recording technology. With a total of 2 patents, Kameyama's work has paved the way for advancements in compact video recording devices.

Latest Patents

Kameyama's latest patents include an eight-head magnetic video tape recording and reproducing apparatus. This invention features rotary magnetic video heads that rotate in a direction substantially perpendicular to the tape travel. The width of the magnetic tape is reduced to one inch from the conventional two inches. Eight video heads are mounted on the circumferential surface of a rotary head drum, which has a diameter of approximately two inches. This arrangement allows for a more compact video tape recorder (VTR). Additionally, the video signal can be transferred to and from the rotary head drum through two circuit paths, enhancing the device's compactness, lightweight design, and low power consumption. Another significant patent is the dynamic negative pressure type floating head system. This system includes a floating magnetic head and a magnetic recording medium. The design allows for improved tape tracking accuracy without the need for protective devices.

Career Highlights

Throughout his career, Kameyama has worked with various companies, including Nippon Hoso Kyokai. His innovative designs have contributed to the evolution of video recording technology.

Collaborations

Kameyama has collaborated with notable individuals such as Hitoshi Masuko and Takeshi Yoshida. Their combined expertise has further advanced the field of magnetic recording technology.

Conclusion

Yukio Kameyama's contributions to the field of magnetic video tape recording have been instrumental in developing more efficient and compact recording devices. His innovative patents continue to influence the industry today.

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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