Location History:
- Suwa, JP (2011)
- Matsumoto, JP (2024)
Company Filing History:
Years Active: 2011-2024
Title: Keiichi Kumagai: Innovator in Liquid Container Technology
Introduction
Keiichi Kumagai is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of liquid container technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of liquid storage and dispensing systems.
Latest Patents
Kumagai's latest patents include a novel liquid container design. This liquid container features a case with a liquid introduction port and a storage portion for the liquid. An absorber is integrated within the case, designed to absorb the liquid. The absorber consists of multiple absorbent resins that swell upon liquid absorption, with a substrate that supports these resins while allowing liquid to permeate. This innovative design ensures that the absorbent resins are spaced apart, enhancing their effectiveness.
Another significant patent is for a liquid-jet apparatus that includes a liquid introducing needle with air intake suppression. This invention aims to minimize liquid consumption by preventing air from entering the liquid introducing columnar body, which can lead to bubble formation. The design includes a needle-like protrusion with a tapered portion that gradually increases in diameter, along with groove portions extending to the edge of the tapered portion. This advancement reduces the frequency of cleaning operations required to discharge bubbles within the liquid passage.
Career Highlights
Kumagai is currently employed at Seiko Epson Corporation, where he continues to innovate in the field of liquid technology. His work has been instrumental in developing solutions that enhance the performance of liquid dispensing systems.
Collaborations
Throughout his career, Kumagai has collaborated with notable colleagues, including Yasunori Koike and Katsuhiro Okubo. These partnerships have contributed to the advancement of technology in their respective fields.
Conclusion
Keiichi Kumagai's contributions to liquid container technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of the challenges in liquid storage and dispensing, positioning him as a key figure in this area of technology.