Company Filing History:
Years Active: 2019-2025
Title: **Keisuke Nagai: Innovator in Ink-Jet Printer Technology**
Introduction
Keisuke Nagai is a renowned inventor based in Tokyo, Japan, known for his contributions to the field of ink-jet printer technology. With a total of four patents credited to his name, Nagai has made significant strides in the development of innovative printing solutions that enhance usability and efficiency.
Latest Patents
Among his latest patents, one notable invention is an **ink for ink-jet printers of charge control type**. This innovation aims to provide an ink with reduced content of an electroconductive agent while maintaining low resistance. Composed of a resin, pigment, electroconductive agent, and nonaqueous solvent, the electroconductive agent features a unique salt structure that generates both an anion and cation in the solvent. The anion contains a trifluoromethylsulfonyl group, and the cation is characterized as a quaternary ammonium cation or features an unsaturated heterocyclic structure.
Another significant patent involves a **makeup fluid and inkjet printer apparatus**. This invention allows for the addition of a makeup fluid to the ink in order to reduce viscosity. The makeup fluid is enhanced with a fluorescent color material and involves an innovative detection system that uses ultraviolet light emitted from a light-emitting element to identify the presence of the makeup fluid through the visible light emitted by the fluorescent material.
Career Highlights
Keisuke Nagai is currently employed at Hitachi Industrial Equipment Systems Co., Ltd., where he continues to push the boundaries of ink-jet printing technology. His work reflects a commitment to developing solutions that improve the performance and reliability of printing systems.
Collaborations
Throughout his career, Nagai has collaborated with esteemed colleagues, including Hiromichi Takeyama and Masahiko Ogino. Their collective expertise has fostered a dynamic research environment that has likely contributed to the advancement of their inventive projects.
Conclusion
In conclusion, Keisuke Nagai's innovative contributions to the field of ink-jet printer technology have set the stage for future advancements. His latest patents showcase his ability to address pressing challenges within the industry, making him a notable figure among contemporary inventors in Japan. As he continues his work at Hitachi Industrial Equipment Systems Co., Ltd., the potential for further groundbreaking inventions remains high.