Saitama, Japan

Ryutaro Hayashi

This inventor holds 5 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Pioneer Electric Corporation. Active years: 1989-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryutaro Hayashi. Retrieved from https://idiyas.com/inventor/ryutaro-hayashi-8h1ccm4i

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 = 2.0

ph-index = 2

Forward Citations = 37(Granted Patents)


Location History:

  • Tokorozawa, JP (1991)
  • Saitama, JP (1989 - 1994)

Company Filing History:


Years Active: 1989-1994

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5 patents (USPTO):Explore Patents

Title: The Innovations of Ryutaro Hayashi

Introduction

Ryutaro Hayashi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of optical information technology, holding a total of 5 patents. His work has been instrumental in advancing the design and functionality of optical recording media.

Latest Patents

One of Hayashi's latest patents is an optical information carrier that features a spacer securely bonded between two optical disks. This innovative design maintains the disks separate from each other while creating an air gap, enhancing the performance of the optical information record carrier. The spacer is glued to the optical disks, ensuring that sufficient adhesive remains during the assembly process. Another significant patent is for an optical recording disk of the air sandwich type, which includes a transparent disk and a protection disk symmetrically disposed with respect to a central plane. This design improves the durability and functionality of optical recording media.

Career Highlights

Throughout his career, Ryutaro Hayashi has worked with prominent companies such as Pioneer Electronic Corporation and Pioneer Electric Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Hayashi has collaborated with notable coworkers, including Toshikazu Yoshino and Yukio Kimura. Their combined expertise has contributed to the success of various projects in the field of optical information technology.

Conclusion

Ryutaro Hayashi's contributions to optical technology through his patents and collaborations have significantly impacted the industry. His innovative designs continue to influence the development of optical recording media.

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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