Tokyo, Japan

Ryo Maruyama

This inventor holds 1 USPTO granted patent and 5 published patent applications. Top assignees: Kantatsu Co., Ltd., Sharp Display Technology Corporation. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Maruyama. Retrieved from https://idiyas.com/inventor/ryo-maruyama-8clhes1g

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Ryo Maruyama: Innovator in Optical Systems

Introduction

Ryo Maruyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical systems, showcasing his expertise through innovative designs and patents. His work reflects a deep understanding of optical technology and its applications.

Latest Patents

Maruyama holds a patent for an advanced optical system. This system includes, in order from a pupil surface side to a display surface side, a first reflective polarizing plate, a first lens with positive refractive power, a half mirror, a second lens with positive refractive power, and a second reflective polarizing plate. Additionally, the optical system features a first quarter wave plate positioned between the pupil surface and the half mirror, along with a second quarter wave plate located between the half mirror and the display surface. The design incorporates a paraxially convex surface on the pupil surface side of the second lens. The optical system adheres to a specific conditional expression regarding the curvature radii of the first lens surfaces, ensuring optimal performance.

Career Highlights

Throughout his career, Ryo Maruyama has worked with prominent companies in the technology sector. He has been associated with Kantatsu Co., Ltd. and Sharp Display Technology Corporation, where he has contributed to various projects and innovations in optical technology.

Collaborations

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Conclusion

Ryo Maruyama's contributions to optical systems highlight his innovative spirit and technical expertise. His patent reflects a significant advancement in the field, showcasing the potential for future developments in optical 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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