Yoshiaki Ishimaru

Title: Yoshiaki Ishimaru: Innovator in Inkjet Technology

Introduction

Yoshiaki Ishimaru is a notable inventor based in Wakaguri, Japan. He has made significant contributions to the field of inkjet technology, holding two patents that showcase his innovative approach to aqueous inks.

Latest Patents

Ishimaru's latest patents include an inkjet aqueous ink and a printed item designed to prevent paper deformation while ensuring superior print quality and latency. The formulation of this inkjet aqueous ink consists of not less than 15% by mass and not more than 40% by mass of a polyglycerol with an average polymerization degree of 4 or greater. Additionally, it contains not less than 5% by mass and not more than 20% by mass of at least one of 1,3-propanediol and diethylene glycol monoethyl ether, along with not less than 40% by mass and not more than 60% by mass of water. Another patent focuses on an aqueous ink for inkjet applications, which includes a pigment, a water-soluble organic solvent A that features at least one of a diglycerol and a polyglycerol, a water-soluble organic solvent B represented by a specific formula, and water.

Career Highlights

Yoshiaki Ishimaru is associated with Riso Kagaku Corporation, a company known for its advancements in printing technology. His work has significantly impacted the development of high-quality ink formulations that enhance printing performance.

Collaborations

Ishimaru has collaborated with notable colleagues, including Akiko Hayashi and Takashi Saito, contributing to the innovative projects at Riso Kagaku Corporation.

Conclusion

Yoshiaki Ishimaru's contributions to inkjet technology through his patents reflect his commitment to innovation and quality in printing solutions. His work continues to influence the industry and improve printing technologies.