Location History:
- Kanagawa, JP (2016 - 2018)
- Yokohama, JP (2017 - 2024)
Company Filing History:
Years Active: 2016-2024
Title: Innovations by Yukiko Ishima
Introduction
Yukiko Ishima, an accomplished inventor based in Kanagawa, Japan, has significantly contributed to the field of ink technology with her innovative creations. With a total of four patents to her name, her work focuses on developing advanced ink compositions that enhance design properties while maintaining high glossiness.
Latest Patents
Among her latest patents, Ishima has developed an active energy ray curable ink composition capable of improving curability and preserving excellent metal-tone glossiness. This ink composition is designed for discharge via inkjet methods and contains a unique combination of a polymerization initiator, a polymerizable compound, and a brilliant pigment. The polymerization initiators used in her formulation include an acylphosphine oxide-based initiator, aminoacetophenone-based initiator, and thioxanthone-based initiator, effectively enhancing the performance of the printed matter.
In addition, Yukiko Ishima’s patent on pigment dispersion liquid aims to provide a stable inkjet ink that offers increased repellency to the ink ejection surface. This innovative liquid includes a carefully selected blend of a pigment, a pigment dispersing agent, and a compound with an ethylenically unsaturated double bond, ensuring long-term storage stability and exceptional ink performance.
Career Highlights
Ishima works at DNP Fine Chemicals Co., Ltd., where she has been pivotal in leading her team toward groundbreaking advancements in ink formulations. Her dedication and expertise in the realm of ink technology have positioned her as a key figure in her field.
Collaborations
Throughout her career, Yukiko Ishima has collaborated with talented coworkers such as Keishiro Yoshimori and Yukio Sugita. These collaborations foster an environment of creativity and innovation, further enhancing the quality and effectiveness of the ink products developed at their company.
Conclusion
Yukiko Ishima’s contributions to ink technology reflect her innovative spirit and commitment to excellence. Her patented inventions not only improve the performance of printed materials but also open new avenues for creativity in design. As she continues her work at DNP Fine Chemicals Co., Ltd., her influence on the future of inks is set to grow even stronger.