Osaka, Japan

Ryozo Hosoda

This inventor holds 9 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Funai Electric Company Ltd.. Active years: 2010-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryozo Hosoda. Retrieved from https://idiyas.com/inventor/ryozo-hosoda

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9 

 

Average Co-Inventor Count = 2.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Daito, JP (2011)
  • Osaka, JP (2010 - 2012)
  • Sakai, JP (2016)

Company Filing History:


Years Active: 2010-2016

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9 patents (USPTO):Explore Patents

Title: Ryozo Hosoda: Innovator in Optical Disc Technology

Introduction

Ryozo Hosoda is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 9 patents. His work focuses on enhancing the performance and efficiency of optical disc devices.

Latest Patents

Among his latest patents are innovations such as the optical disc actuator and the optical disc drive device. The optical disc actuator invention provides a printed coil substrate designed to minimize sensitivity changes when shifting in both focal and tracking directions. The coil patterns, although similar in shape, are strategically displaced between neighboring substrate layers to ensure optimal performance. This design allows for compensation of sensitivity changes, enhancing the overall functionality of the device.

Another notable patent is the objective lens actuator and optical pickup device. This invention features a plurality of objective lenses mounted on a first lens holder, driven by a sophisticated mechanism. The design includes a second lens holder that allows for precise assembly and operation, ensuring that the objective lenses function effectively.

Career Highlights

Ryozo Hosoda is currently associated with Funai Electric Company Ltd., where he continues to innovate in the field of optical technology. His work has been instrumental in advancing the capabilities of optical disc systems, making them more reliable and efficient.

Collaborations

Throughout his career, Ryozo has collaborated with notable colleagues such as Shinya Hatano and Kazuhiro Takahashi. These partnerships have fostered a creative environment that has led to numerous advancements in optical technology.

Conclusion

Ryozo Hosoda's contributions to optical disc technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to drive advancements in this field.

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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