Tokyo, Japan

Osamu Shigenai

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Shigenai. Retrieved from https://idiyas.com/inventor/osamu-shigenai-b5zwk4mp

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 = 1

Forward Citations = 4(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Osamu Shigenai: A Pioneer in Recording Technology

Introduction

Osamu Shigenai, an innovative inventor based in Tokyo, Japan, has made significant contributions to the field of recording technology. With one patent to his name, he demonstrates the intersection of creativity and engineering in modern mechanical designs.

Latest Patents

Shigenai's notable patent, titled "Chassis with Strengthening Rib Having Stepped Section for Recording," pertains to a recording and/or reproducing apparatus. This invention involves a system where a recording medium contained in a holder is rotated and driven, enabling the reading from or writing to the recording medium. The innovative aspect of this patent lies in the chassis utilized as the base for the apparatus, incorporating a strengthening rib with a unique stepped section that enhances structural integrity.

Career Highlights

Throughout his career, Osamu Shigenai has focused on advancing technologies related to recording and reproduction devices. His work involves not only the technical aspects of these devices but also the innovative designs that support their functionality. His dedication to creating efficient and effective solutions in the recording technology space highlights his inventive spirit.

Collaborations

In his journey of innovation, Osamu Shigenai has collaborated with Hideki Ishikawa, a fellow inventor. Together, they have explored various facets of technology and innovation, leveraging their expertise to contribute to the development of effective recording technologies.

Conclusion

Osamu Shigenai's impactful work, specifically his patented invention, showcases the potential of innovative design in the recording industry. His contributions reinforce the importance of combining structural integrity with advanced technology to enhance user experience and device performance. As he continues to innovate, Shigenai remains a noteworthy figure in the realm of invention and 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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