Katano, Japan

Kazuaki Koyama

This inventor holds 5 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuaki Koyama. Retrieved from https://idiyas.com/inventor/kazuaki-koyama

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 = 3.2

ph-index = 3

Forward Citations = 26(Granted Patents)


Location History:

  • Hirakata, JP (1983 - 1984)
  • Katano, JP (1989 - 1990)

Company Filing History:


Years Active: 1983-1990

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5 patents (USPTO):Explore Patents

Title: Kazuaki Koyama: Innovator in Magnetic Head Technology

Introduction

Kazuaki Koyama is a notable inventor based in Katano, Japan. He has made significant contributions to the field of magnetic head technology, holding a total of 5 patents. His work has been instrumental in advancing the efficiency and functionality of magnetic heads used in various applications.

Latest Patents

Koyama's latest patents include a method of making a magnetic head that features a main core made of sendust material. This design incorporates a pair of reinforcing cores that hold the main core in place, ensuring it is sandwiched securely between them. The main core is adhered to the reinforcing cores using glass material, with transition metal layers formed on both sides. Another notable patent involves a magnetic head that also utilizes sendust material or amorphous alloy, with core halves adhered by a glass composition containing phosphorus pentaoxide and barium oxide.

Career Highlights

Koyama has spent a significant portion of his career at Sanyo Electric Co., Ltd., where he has been able to apply his innovative ideas in practical settings. His work has not only contributed to the company's success but has also pushed the boundaries of what is possible in magnetic head technology.

Collaborations

Throughout his career, Koyama has collaborated with talented individuals such as Yoshihiko Kawai and Isao Yasuda. These partnerships have fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

Kazuaki Koyama's contributions to magnetic head technology exemplify the impact of innovation in the field. His patents and collaborations highlight his dedication to advancing technology and improving existing systems.

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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