Company Filing History:
Years Active: 1999-2008
Title: The Innovations of Fuminori Doi in Ink Cartridge Technology
Introduction
Fuminori Doi is a notable inventor based in Nagano, Japan, recognized for his contributions to ink cartridge technology. With a portfolio of four patents, Doi has played a significant role in the development of methods that enhance the functionality and efficiency of ink jet recorders.
Latest Patents
Fuminori Doi's most recent innovations include:
1. **Method of refilling an ink cartridge for use in ink jet recorder** - This method outlines a systematic approach to refilling an ink bag used in ink jet recorders. Initially, the ink bag is filled through an opening, sealed, and later refilled utilizing a separate opening for efficient ink charging.
2. **Method of manufacturing an ink cartridge for use in ink-jet recorder** - This invention describes a comprehensive method for producing an ink cartridge. It involves positioning an ink bag in a vacuum chamber, charging it with ink, sealing the ends, and ensuring a consistent thickness for optimal performance.
Career Highlights
Fuminori Doi is currently associated with Seiko Epson Corporation, a company renowned for its innovations in printing technology. His work focuses primarily on improving ink cartridge manufacturing processes, thereby facilitating more sustainable practices in ink usage.
Collaborations
Throughout his career, Doi has collaborated with several talented individuals, including Shuichi Yamaguchi and Toshio Ito. Their collective expertise has fostered advancements in ink technologies, making significant contributions to the field of ink jet recording.
Conclusion
Fuminori Doi's inventive spirit and collaboration with key industry professionals reflect his dedication to improving ink cartridge technology. Through his patents, Doi not only addresses current challenges but also paves the way for future innovations in the printing sector.