Shizuoka, Japan

Sachiko Arai

This inventor holds 1 USPTO granted patent. Top assignee: Fuji Photo Film Company, Limited. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sachiko Arai. Retrieved from https://idiyas.com/inventor/sachiko-arai-t4g7sivc

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

Calculating rank

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: The Innovations of Sachiko Arai

Introduction: Sachiko Arai is a notable inventor based in Shizuoka-ken, Japan. She has made significant contributions to the field of chemical compounds, particularly in the development of phenylurethane and urea compounds. Her work has implications in various applications, including thermal recording materials.

Latest Patents: Sachiko Arai holds a patent for "Phenylurethane Compounds and Methods for Producing Same, Asymmetric Urea Compounds and Methods for Producing Same, Barbituric Acid Derivative, and Diazo Thermal Recording Material Containing the Derivative." This patent includes phenylurethane compounds of a specific general formula, asymmetric urea compounds derived from these phenylurethane compounds, and barbituric acid derivatives that are useful in diazo thermal recording materials.

Career Highlights: Arai is currently employed at Fuji Photo Film Company, Limited, where she continues to innovate and develop new chemical compounds. Her work has been instrumental in advancing the technology used in thermal recording materials.

Collaborations: Some of her notable coworkers include Akinori Fujita and Naoto Yanagihara, who have collaborated with her on various projects within the company.

Conclusion: Sachiko Arai's contributions to the field of chemical compounds and her innovative patents highlight her role as a significant inventor in her industry. Her work continues to influence advancements in thermal recording technologies.

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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