Hachioji, Japan

Kazuyasu Motoyama

This inventor holds 23 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignee: Olympus Optical Company, Ltd.. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyasu Motoyama. Retrieved from https://idiyas.com/inventor/kazuyasu-motoyama

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 = 7

Forward Citations = 154(Granted Patents)


Location History:

  • Hachioji, JA (1977)
  • Tokyo, JP (1983 - 1986)
  • Hachioji, JP (1979 - 1989)
  • Hachiohji, JP (1992)

Company Filing History:


Years Active: 1977-1992

Loading Chart...
Areas of Expertise:
Magnetic Field
Photo-Magnetic Recording
Tape Recorder
Cassette Tape
Power Saving Circuit
Rotational Speed Detection
Display Device
Connection Terminal
Mode Switching Circuit
Foot Switch
Magnetic Head
Pinch Roller
23 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Kazuyasu Motoyama

Introduction

Kazuyasu Motoyama, a renowned inventor based in Hachioji, Japan, holds an impressive portfolio of 23 patents. His innovations primarily focus on the realm of magneto-optical recording devices, showcasing his commitment to advancing technology in this field.

Latest Patents

Motoyama's most recent patents underline his ingenuity. One such invention is the "Bias-Magnetic field generating system of photo-magnetic recording device." This system features a rotating magnetic disc with magnetic characteristics oriented perpendicular to its surface. It includes a pickup head that moves radially to scan designated areas of the disc. The invention also incorporates a series of coils that generate a bias-magnetic field, effectively enhancing the performance of the recording medium.

Another notable patent by Motoyama is the "Magneto-optical recording reproducing device having field applying means." This device innovatively alters the sheltering height of its field applying mechanism based on the type of cartridge being used, optimizing its functionality according to the specific recording media. This striking adaptability showcases his adeptness in improving recording technologies.

Career Highlights

Motoyama's career has been largely affiliated with Olympus Optical Company, Ltd., where he has contributed significantly to various research and development projects. His tenure at Olympus has been marked by technical breakthroughs and a strong commitment to innovation in optical and recording technologies.

Collaborations

Throughout his career, Motoyama has worked alongside notable colleagues, including Katsumi Kanayama and Kenzi Furuta. Their collaboration has undoubtedly fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Kazuyasu Motoyama's prolific contributions to the field of magneto-optical recording technology exemplify the impact of innovative thinking in engineering and technology. With a substantial number of patents to his name and ongoing efforts to push the boundaries of engineering, he continues to inspire future generations of inventors.

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…