Toyoji Asahina

Title: Toyoji Asahina: Innovator in Ink-Jet Printing Technology

Introduction

Toyoji Asahina is a notable inventor recognized for his contributions to the field of ink-jet printing technology. He is based in Hoya, Japan, and has made significant advancements in the design and functionality of printing heads.

Latest Patents

Asahina holds a patent for a printing head for ink-jet printers. This innovative design features a laminated unit that is integrally formed as a sintered ceramic product. The unit includes a bottom insulating plate element, a top insulating plate element, and a piezoelectric plate element situated between the two insulating plates. The design incorporates a pressure chamber that can be filled with ink, and the piezoelectric plate element has electrode layers on its opposite surfaces surrounding the pressure chamber. When a drive pulse voltage is applied, the thickness of the piezoelectric plate element is reduced, leading to a decrease in the pressure chamber volume and the ejection of an ink-jet drop from the orifice.

Career Highlights

Asahina is associated with Citizen Watch Company, Ltd., where he has contributed to the development of advanced printing technologies. His work has been instrumental in enhancing the efficiency and quality of ink-jet printing.

Collaborations

Throughout his career, Asahina has collaborated with notable colleagues, including Naomichi Suzuki and Shizuo Yamaguchi. These collaborations have fostered innovation and have led to significant advancements in their respective fields.

Conclusion

Toyoji Asahina's work in ink-jet printing technology exemplifies the impact of innovative design and engineering. His contributions continue to influence the industry and enhance printing capabilities.