Yoshiyuki Dejima

Title: Innovations by Yoshiyuki Dejima

Introduction

Yoshiyuki Dejima is a notable inventor based in Kita-ku, Japan. He has made significant contributions to the field of ink compositions and recording methods. With a total of three patents to his name, his work focuses on enhancing the quality and stability of ink formulations.

Latest Patents

Yoshiyuki Dejima's latest patents include a trisazo compound, an ink composition, and a recording method for colored articles. The trisazo compound is represented by a specific formula, which includes various groups and substituents that enhance its solubility in water. This compound is designed to create stable black ink that maintains its quality over time, providing excellent light fastness and ozone gas fastness in printed images. Additionally, he has developed a water-soluble azo compound for yellow ink, which is suitable for inkjet printing and offers high stability and fastness.

Career Highlights

Yoshiyuki Dejima is currently employed at Nippon Kayaku Kabushiki Kaisha, where he continues to innovate in the field of ink technology. His work has been instrumental in advancing the capabilities of ink formulations, making them more effective for various applications.

Collaborations

Some of his notable coworkers include Yoshiki Akatani and Katsunori Fujii, who have collaborated with him on various projects within the company.

Conclusion

Yoshiyuki Dejima's contributions to ink technology through his innovative patents have significantly impacted the industry. His work exemplifies the importance of research and development in creating high-quality products that meet modern demands.