Fukuyama, Japan

Hiroyuki Tsukui

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 2009-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tsukui. Retrieved from https://idiyas.com/inventor/hiroyuki-tsukui

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


% Patents Active = 100.0



Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 2009-2021

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2 patents (USPTO):Explore Patents

Title: Hiroyuki Tsukui: Innovator in Heat-Sensitive Materials and Coloring Agents

Introduction

Hiroyuki Tsukui is a notable inventor based in Fukuyama, Japan. He has made significant contributions to the field of heat-sensitive recording materials and coloring agents. With a total of 2 patents, his work has advanced the technology used in various applications.

Latest Patents

Tsukui's latest patents include innovations in heat-sensitive recording materials and porphyrazine coloring matter. His first patent focuses on a heat-sensitive recording material that minimizes background fogging under moisture and heat conditions. This material comprises 3,3'-diallyl-4,4'-dihydroxy diphenylsulfone, which enhances the preservation stability of colored images. The second patent involves a porphyrazine coloring matter that is suitable for inkjet recording. This coloring matter is characterized by its excellent light fastness, ozone fastness, and moisture fastness, making it a reliable choice for high-quality cyan ink.

Career Highlights

Hiroyuki Tsukui is associated with Nippon Kayaku Kabushiki Kaisha, a company known for its innovative chemical products. His work has contributed to the development of advanced materials that are widely used in various industries.

Collaborations

Tsukui has collaborated with notable coworkers such as Takashi Yoneda and Yoshiaki Kawaida. Their combined expertise has furthered the research and development of innovative materials.

Conclusion

Hiroyuki Tsukui's contributions to the fields of heat-sensitive materials and coloring agents demonstrate his commitment to innovation. His patents reflect a deep understanding of material science and its applications in modern 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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