Location History:
- Suwa, JP (2002 - 2005)
- Shiojiri, JP (2011 - 2014)
Company Filing History:
Years Active: 2002-2014
Title: Seiichi Fujita: Innovator in Liquid-Ejecting Technology
Introduction
Seiichi Fujita is a prominent inventor based in Shiojiri, Japan. He has made significant contributions to the field of liquid-ejecting technology, holding a total of 4 patents. His innovative methods and designs have advanced the capabilities of liquid-ejecting heads, which are essential in various applications, including printing and manufacturing.
Latest Patents
Fujita's latest patents include a method for producing a liquid-ejecting head. This method involves creating a passage-forming substrate and a protective substrate. The passage-forming substrate contains pressure-generating chambers that communicate with nozzle orifices, piezoelectric devices that adjust the inner pressures of these chambers, and liquid supply channels for delivering liquid to the chambers. The protective substrate features a piezoelectric-device accommodating portion and a through-hole for wiring connections. The process includes forming these components, bonding the substrates, and applying a protective film to ensure functionality.
Another notable patent is for a liquid ejecting head that incorporates a piezoelectric element. This design consists of a lower electrode, a piezoelectric layer, and an upper electrode, all laminated in sequence. The flow path forming substrate houses the piezoelectric element and a pressure-generating chamber that connects to a nozzle opening. The upper electrode extends over the piezoelectric layer, while a protective film safeguards the exposed areas of the piezoelectric layer.
Career Highlights
Fujita has worked with notable companies, including Seiko Epson Corporation and Sieko Epson Corporation. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the field of liquid ejection.
Collaborations
Throughout his career, Fujita has collaborated with talented individuals such as Tomohiro Makigaki and Taro Takekoshi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Seiichi Fujita's work in liquid-ejecting technology showcases his dedication to innovation and excellence. His patents reflect a deep understanding of the complexities involved in creating efficient liquid-ejecting systems. His contributions continue to influence the industry and inspire future advancements.