Location History:
- Yokohama, JP (1993 - 1996)
- Kanagawa, JP (2000)
Company Filing History:
3 out of 2,352 
2 out of 499 Years Active: 1993-2000
Title: The Innovative Contributions of Takumi Nagao
Introduction
Takumi Nagao is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of photopolymer technology. With a total of five patents to his name, Nagao has been instrumental in advancing innovations that enhance printing technologies and materials science.
Latest Patents
Nagao's most recent patents showcase his expertise in photopolymerizable compositions and coatings. His first notable patent, "Photopolymerizable composition, photopolymerizable lithographic printing," involves a unique composition comprising an ethylenically unsaturated compound, a cyanine dye with specific properties, and a photopolymerization initiator. This composition facilitates improved lithographic printing techniques.
Additionally, he developed a patent for an "Azo metal chelate compound," which highlights a novel azo compound structure involving a metal. This compound is characterized by a heterocyclic ring and diverse alkyl, aryl, and alkenyl substituents, presenting potential applications in various chemical processes and materials.
Career Highlights
Throughout his career, Takumi Nagao has contributed his expertise to notable companies, including Mitsubishi Chemical Corporation and Mitsubishi Kasei Corporation. His work in these organizations has not only bolstered his innovative credentials but has also significantly impacted the chemical and manufacturing sectors.
Collaborations
Nagao has collaborated with esteemed colleagues, such as Satoru Imamura and Tetsuo Murayama. Together, these innovative minds have pushed the boundaries of research and development in their respective fields, contributing to groundbreaking technologies and methodologies.
Conclusion
In summary, Takumi Nagao stands out as a remarkable inventor whose work is characterized by a commitment to innovation and advancement in photopolymer technologies. His contributions, reflected in his patents and collaborations, continue to influence the industry and inspire future generations of inventors.