Yokohama, Japan

Ikuo Aoki

This inventor holds 18 USPTO granted patents, primarily in Optical Recording Technology. Top assignees: Ricoh Company, Ltd., Samsung Electronics Co., Ltd.. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ikuo Aoki. Retrieved from https://idiyas.com/inventor/ikuo-aoki

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


% Patents Active = 77.8

Average Co-Inventor Count = 1.2

ph-index = 9

Forward Citations = 305(Granted Patents)


Company Filing History:


Years Active: 1993-2007

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Areas of Expertise:
Optical Disc
Hologram Recording
Phase-Change Recording
Information Recording
Laser Power Control
Defect Detection
Wobbled Tracks
Optical Medium
18 patents (USPTO):Explore Patents

Title: The Innovations of Ikuo Aoki: A Pioneer in Optical Disc Technology

Introduction: Ikuo Aoki, an esteemed inventor based in Yokohama, Japan, has made significant contributions to the field of optical disc technology. With an impressive portfolio of 18 patents, Aoki's innovations have shaped the way data is recorded and reproduced, making him a notable figure in the tech industry.

Latest Patents: Aoki's recent inventions highlight his expertise in optical disc technology. One of his latest patents focuses on an optical disc that features track grooves formed in a radial direction. This disc is divided into multiple zones, with the track grooves formatted into waved patterns based on a predetermined modulation rule. This unique design allows for the recording of zone address information, enhancing the efficiency of data storage. Notably, these waved patterns may overlap with recorded user data, increasing the disc's versatility.

Another significant patent introduced by Aoki is for a hologram recording medium along with a recording/reproducing apparatus and its method. This advanced hologram recording medium enables high-density data recording while minimizing noise during data reproduction. The design incorporates a light velocity restriction member, which restricts the incidence of a reference beam to enhance data integrity, making it a remarkable innovation in the field of holographic storage.

Career Highlights: Ikuo Aoki has had a distinguished career, having worked with renowned companies such as Ricoh Company, Ltd. and Samsung Electronics Co., Ltd. His experiences at these leading organizations have undoubtedly contributed to his innovative prowess and enabled him to develop groundbreaking technologies.

Collaborations: Throughout his career, Aoki has collaborated with several talented professionals, including fellow inventors Hiroshi Maegawa and Yoshitaka Takahashi. Their joint efforts in research and development have led to numerous innovations in optical and holographic technologies, creating a lasting impact in the industry.

Conclusion: Ikuo Aoki's commitment to innovation and his impressive array of patents demonstrate his influence in the realm of optical disc technology. His inventions not only advance data storage solutions but also pave the way for future developments in the industry. Aoki’s work continues to inspire new generations of inventors and innovators, solidifying his legacy as a pioneer in his 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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