Kanagawa, Japan

Katsumasa Yokoyama

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Electronics Engineering Co., Ltd.. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumasa Yokoyama. Retrieved from https://idiyas.com/inventor/katsumasa-yokoyama

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 = 2.8

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Naka-gun, JP (2002)
  • Kanagawa, JP (2002 - 2003)

Company Filing History:


Years Active: 2002-2003

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Katsumasa Yokoyama

Introduction

Katsumasa Yokoyama, an accomplished inventor residing in Kanagawa, Japan, has made significant contributions in the field of recording media technology. With a total of three patents to his name, his innovative ideas have paved the way for advanced functionality in recording media library systems.

Latest Patents

Yokoyama's recent patents showcase his expertise in enhancing the efficiency and reliability of recording media apparatus. One of his key inventions is a recording media library apparatus that incorporates a function to accurately detect the position of a recording medium during transfer. This innovation involves a locking claw mechanism that engages the recording medium and determines its current position. The technology is designed to automatically transfer any recording medium that is not correctly settled at power-ON, ensuring optimal functionality.

Another noteworthy patent presented by Yokoyama is the recording media library apparatus featuring a medium inversion unit. This unit allows for the inversion of double-sided recording media, thereby accommodating both double-side and single-side recording types using the same transport mechanism. This design simplifies operations and enhances the overall user experience with recording media.

Career Highlights

Yokoyama is a proud member of Hitachi Electronics Engineering Co., Ltd., where his work focuses on developing innovative solutions for recording media systems. His role within the company has allowed him to explore and implement cutting-edge technologies that advance the capabilities of recording media libraries.

Collaborations

Throughout his career, Katsumasa has collaborated with talented professionals in the industry, including his coworkers Hiroyuki Suzuki and Takayuki Komiya. Together, they have worked towards creating sophisticated systems that improve the function and reliability of recording media technology, demonstrating the power of teamwork in innovation.

Conclusion

Katsumasa Yokoyama's innovative spirit and technical proficiency have established him as a prominent figure in the field of recording media technology. With a commendable portfolio of patents and collaborative efforts at Hitachi Electronics Engineering Co., Ltd., he continues to contribute to the advancement of recording media systems. His inventions not only enhance user experiences but also exemplify the importance of innovation in 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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