Ichihara, Japan

Haruka Hirayama

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Dic-Hercules Chemicals, Inc.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruka Hirayama. Retrieved from https://idiyas.com/inventor/haruka-hirayama

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Haruka Hirayama

Introduction: Haruka Hirayama is an accomplished inventor based in Ichihara, Japan. With a strong focus on developing advanced materials, she has made significant contributions to the field of paper coatings. Her unique innovations emphasize enhancing the performance characteristics of coated papers, making her a notable figure in the industry.

Latest Patents: Haruka Hirayama holds a patent for a novel paper coating resin and paper coating composition. This innovative resin simultaneously improves ink receptivity, water resistance, and blister resistance in coated papers, achieving a balanced performance. The resin is produced by introducing alicyclic amino and/or alicyclic epoxy compounds into a polyalkylenepolyamine-urea-aldehyde (epihalohydrin) resin, and through a careful process of reaction or mixing. Her work has the potential to greatly enhance the quality of paper products in various applications.

Career Highlights: Hirayama's career is marked by her role at Dic-Hercules Chemicals, Inc., where she has effectively contributed to research and development initiatives. Her innovative approach has led to practical solutions that address common challenges in the manufacturing of coated papers. The impact of her work is reflected in the quality improvements observed in the products developed by her company.

Collaborations: Throughout her career, Haruka has collaborated with talented colleagues, including Hiroharu Kawano and Satoshi Takizawa. These partnerships have fostered an environment of creativity and innovation, allowing them to explore new ideas and refine existing technologies in the realm of specialty chemicals.

Conclusion: Haruka Hirayama's inventive spirit and commitment to innovation have positioned her as a leader in the field of paper coatings. With her patent showcasing a remarkable advancement in material science, she continues to inspire those around her. Her contributions not only benefit her company, Dic-Hercules Chemicals, Inc., but also set new standards for the paper industry as a whole.

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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