Yuka Shishikura

Title: Yuka Shishikura: Innovator in Porphyrazine Coloring Matter

Introduction

Yuka Shishikura is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of coloring materials, particularly through her innovative work on porphyrazine coloring matter. Her inventions have practical applications in various industries, especially in ink compositions.

Latest Patents

Yuka Shishikura holds a patent for a porphyrazine coloring matter, which is detailed in her invention titled "Porphyrazine coloring matter, ink composition containing the same and colored product." This invention relates to a specific formula that includes various components, such as benzene rings and nitrogen-containing heteroaromatic rings. The ink composition derived from this coloring matter exhibits excellent hue as a cyan ink, outstanding fastness properties, particularly in ozone fastness, and high print density. It also minimizes the occurrence of bronze phenomenon, making it suitable for inkjet recording.

Career Highlights

Yuka Shishikura is associated with Nippon Kayaku Kabushiki Kaisha, a company known for its advancements in chemical products. Her work has not only contributed to the company's portfolio but has also positioned her as a key figure in the development of innovative ink solutions.

Collaborations

Yuka has collaborated with notable colleagues, including Takashi Yoneda and Kenji Ooshima. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in the field of coloring materials.

Conclusion

Yuka Shishikura's contributions to the field of porphyrazine coloring matter highlight her innovative spirit and dedication to advancing ink technology. Her work continues to influence the industry and showcases the importance of research and development in creating high-quality products.