Kanagawa, Japan

Toshihisa Iriyama

This inventor holds 10 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1995-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihisa Iriyama. Retrieved from https://idiyas.com/inventor/toshihisa-iriyama

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


% Patents Active = 60.0

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 54(Granted Patents)


Company Filing History:


Years Active: 1995-2016

Loading Chart...
10 patents (USPTO):Explore Patents

Title: The Innovations of Toshihisa Iriyama

Introduction

Toshihisa Iriyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of recording technology, holding a total of 10 patents. His work primarily focuses on advancements in recording apparatus and methods.

Latest Patents

Iriyama's latest patents include a recording apparatus and method that enhance the efficiency of data recording on optical media. One of his notable inventions features a recording apparatus equipped with a light radiating unit that directs light onto an optical recording medium. This apparatus includes a recording unit that manages light emission control and ensures that data recording begins from a position over any defect occurrence area. Additionally, it incorporates a control unit that facilitates the replacement of unrecorded data areas with spare areas when necessary. Another significant patent involves a recording apparatus that operates on a multi-layer recording medium, allowing for precise laser light illumination across multiple layers while ensuring that test writing areas do not overlap.

Career Highlights

Iriyama has dedicated his career to innovating recording technologies, particularly in the realm of optical media. His inventions have paved the way for more reliable and efficient data storage solutions. Working at Sony Corporation, he has been at the forefront of technological advancements in this field.

Collaborations

Throughout his career, Iriyama has collaborated with notable colleagues such as Yujiro Ito and Kiyohiko Miyahara. These partnerships have contributed to the development of groundbreaking technologies in recording apparatus.

Conclusion

Toshihisa Iriyama's contributions to recording technology have significantly impacted the industry. His innovative patents and collaborations reflect his commitment to advancing the field of optical recording.

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]
Loading…