This inventor holds 6 USPTO granted patents and 9 published patent applications and 3 EPO patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2013-2025.
Company Filing History:
Years Active: 2013-2025
Title: Sayoko Nagashima: Innovator in Ink Jet Technology
Introduction
Sayoko Nagashima is a prominent inventor based in Kawasaki, Japan. She has made significant contributions to the field of ink jet technology, holding a total of six patents. Her work focuses on developing methods and apparatuses that enhance the quality and durability of ink jet recordings.
Latest Patents
Among her latest patents, Nagashima has developed an ink jet recording method and an ink jet recording apparatus. The first invention provides a method capable of recording images with good abrasion resistance using an aqueous ink and a reaction liquid. This method involves ejecting an aqueous ink containing resin particles and a reaction liquid from a recording head, which is then applied to a recording medium. The reaction liquid includes a compound that aggregates components in the aqueous ink, and at least one of the liquids contains a surfactant with an HLB value of ≤15. Her second patent outlines a method for recording images on various materials using a colorless transparent aqueous ink, which includes applying an aqueous ink with a mineral acid having a pH of 1.0 or less to form carbon on the recording medium.
Career Highlights
Nagashima's career is marked by her innovative approaches to ink jet technology. Her work at Canon Kabushiki Kaisha has positioned her as a key player in the development of advanced recording methods. Her patents reflect her commitment to improving the quality and versatility of ink jet printing.
Collaborations
Throughout her career, Nagashima has collaborated with notable colleagues, including Shigemoto Abe and Mikio Sanada. These partnerships have contributed to her success and the advancement of ink jet technology.
Conclusion
Sayoko Nagashima's contributions to ink jet technology have made a significant impact in the field. Her innovative patents and collaborative efforts continue to shape the future of printing technology.