Company Filing History:
Years Active: 1979-1988
Title: Seiji Usui: Innovator in Liquid Analysis Technology
Introduction
Seiji Usui is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of liquid analysis technology, holding a total of 5 patents. His innovative work has been instrumental in advancing the capabilities of liquid analyzers.
Latest Patents
One of Usui's latest patents is a flow-through type liquid analyzer. This device features a packing that includes multiple seal portions integrally formed on an annular elastic sheet. The seal portions are strategically spaced around the circumference of the sheet and project from one side surface. Each seal portion is designed with a through hole that extends entirely through the sheet, running parallel to the center axis. In the preferred embodiment, this packing is utilized in a rotary change-over valve, where each seal portion is equipped with an annular rib at its free end. This rib is adapted to fit into a corresponding hole in a rotary valve inlet element, with the packing securely held in a recess between the inlet element and a rotary valve outlet element.
Career Highlights
Seiji Usui has been associated with Horiba, Ltd., a company renowned for its expertise in analytical and measuring instruments. His work at Horiba has allowed him to focus on developing innovative solutions that enhance liquid analysis processes.
Collaborations
Throughout his career, Usui has collaborated with notable colleagues, including Kunio Terada and Takeshi Kohno. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in the field.
Conclusion
Seiji Usui's contributions to liquid analysis technology exemplify his dedication to innovation. His patents and collaborative efforts continue to influence the industry, showcasing the importance of creativity and teamwork in advancing scientific research.