Izumi Yasuda

Title: Izumi Yasuda: Innovator in Ink Technology

Introduction

Izumi Yasuda is a notable inventor based in Himeji, Japan. She has made significant contributions to the field of ink technology, holding a total of 3 patents. Her work focuses on improving the quality and performance of ink compositions, particularly for inkjet printing.

Latest Patents

Yasuda's latest patents include a magenta ink composition, an ink cartridge, and a recording system and recorded matter using the same. The magenta ink composition she developed is designed to provide excellent color development, graininess, and gloss. It is less likely to cause clogging in an inkjet recording head and excels in color reproduction in high-chroma and high-lightness red regions. Specifically, the magenta ink composition has an L* value of not less than 60 and a b* value of not more than -17 when the a* value in CIE standard is 80, calculated from a visible absorption spectrum in a not more than 10,000-fold diluted aqueous solution. Additionally, she has worked on a pigment dispersion and ink composition for inkjet printing, characterized by containing a water-soluble resin and a resin with a urethane bond and/or an amide bond.

Career Highlights

Throughout her career, Yasuda has been associated with prominent companies such as Seiko Epson Corporation and Mikuni Shikiso Kabushiki Kaisha. Her work in these organizations has allowed her to develop innovative solutions that enhance the performance of ink products.

Collaborations

Yasuda has collaborated with notable coworkers, including Naoki Okamoto and Akira Mizutani. These partnerships have contributed to her success and the advancement of ink technology.

Conclusion

Izumi Yasuda's contributions to ink technology through her innovative patents and collaborations highlight her role as a leading inventor in her field. Her work continues to influence the development of high-quality ink products.