Ibaraki, Japan

Masahiko Tatsuma

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Tatsuma. Retrieved from https://idiyas.com/inventor/masahiko-tatsuma

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 = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: The Innovations of Masahiko Tatsuma: Pioneering Asymmetric Dioxazine Compounds

Introduction: Masahiko Tatsuma, an inventor based in Ibaraki, Japan, has made significant strides in the field of dyeing and printing technology. With a notable patent to his name, Tatsuma's work is pivotal in enhancing the quality and versatility of textile applications.

Latest Patents: Tatsuma holds a patent for an asymmetric dioxazine compound, along with a method for dyeing or printing fibers. This innovative chemical compound is represented by a specific formula, which provides unique properties suitable for various applications in textiles. The patent showcases his ingenuity and dedication to advancing dye technology.

Career Highlights: Currently employed at Sumitomo Chemical Company, Limited, Tatsuma has contributed to the company's reputation as a leader in chemical manufacturing and innovation. His work emphasizes the importance of research and development in creating new solutions within the industry.

Collaborations: Throughout his career, Masahiko Tatsuma has collaborated with fellow researcher Junichi Sekihachi. Together, they have leveraged their expertise to push the boundaries of what is possible in dyeing methodologies, leading to groundbreaking developments that benefit the textile industry.

Conclusion: Masahiko Tatsuma's contributions to the field of asymmetric dioxazine compounds highlight the crucial role inventors play in technical innovation. Through his patent and collaboration with peers, Tatsuma continues to inspire future advancements in dyeing and printing technologies. His work not only reflects his personal dedication but also showcases the collaborative spirit essential in the realm of invention.

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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