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For the Inventor, By the Inventor

Shizuoka, Japan

Ryuichi Kuroiwa

This inventor holds 2 USPTO granted patents. Top assignee: Fuji Photo Film Company, Limited. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuichi Kuroiwa. Retrieved from https://idiyas.com/inventor/ryuichi-kuroiwa

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

USPTO Granted Patents = 2

% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:

goldMedal2 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents

Years Active: 2005

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2 patents (USPTO):Explore Patents
1. 6902687 - OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM AND RECORDING MEDIUM, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL (2005-06-07),
2. 6846540 - OPTICALLY ACTIVE POLYESTERAMIDES, PHOTOREACTIVE CHIRAL AGENTS, LIQUID CRYSTAL COMPOSITIONS, LIQUID CRYSTAL COLOR FILTERS, OPTICAL FILMS AND RECORDING MEDIA, AS WELL AS METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTALS, AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTALS (2005-01-25),

Title: Ryuichi Kuroiwa: Innovator in Liquid Crystal Technology

Introduction

Ryuichi Kuroiwa is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 2 patents. His work focuses on optically active derivatives and their applications in various optical materials.

Latest Patents

Kuroiwa's latest patents include innovations such as "Optically Active Isosorbide Derivative and Optically Active Isomannide Derivative, Production Methods Thereof" and "Photo-Reactive Chiral Agent, Liquid Crystal Composition, Liquid Crystal Color Filter, Optical Film and Recording Medium." These inventions relate to optically active polyesteramides and methods for changing and fixing the helical structure of liquid crystals, showcasing his expertise in this specialized area.

Career Highlights

Ryuichi Kuroiwa is associated with Fuji Photo Film Company, Limited, where he has been instrumental in advancing liquid crystal technologies. His work has paved the way for new applications in optical devices, enhancing the functionality and performance of liquid crystal displays.

Collaborations

Kuroiwa has collaborated with notable colleagues such as Masatoshi Yumoto and Keiichiro Hayashi. Their combined efforts have contributed to the development of innovative solutions in the field of liquid crystals.

Conclusion

Ryuichi Kuroiwa's contributions to liquid crystal technology and his innovative patents highlight his role as a key figure in the industry. His work continues to influence advancements in optical materials and applications.

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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