Company Filing History:
Years Active: 1994-2002
Title: Michio Sumiyoshi: Innovator in Electrophotography
Introduction
Michio Sumiyoshi is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrophotography, holding a total of 5 patents. His work focuses on enhancing the efficiency and functionality of printing technologies.
Latest Patents
One of his latest patents is a power-saving type electrophotography apparatus suitable for use with an optional unit having an exclusive power supply. This invention aims to provide a color electrophotography apparatus that meets power-saving specifications by turning off the power supply to various parts when they are unnecessary, such as in a power-saving mode. The duplexer, which is optional for the color electrophotography apparatus, includes a unit that indicates to the control device whether or not electric power should be supplied.
Another significant patent is for a double-surface printing apparatus. This apparatus is designed to be compact and features a simple construction that prevents the removal of a sheet that has been printed on one surface from outside the device. It includes a paper discharge tray for sheets that have been printed, a sheet reversing mechanism, and a protective cover to ensure that printed sheets cannot be taken out from outside.
Career Highlights
Michio Sumiyoshi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has contributed to advancements in printing technology, particularly in the area of electrophotography.
Collaborations
He has collaborated with notable coworkers, including Akira Sasaki and Isamu Terashima, who have also contributed to the field of technology and innovation.
Conclusion
Michio Sumiyoshi's contributions to electrophotography demonstrate his commitment to innovation and efficiency in printing technology. His patents reflect a deep understanding of the needs for power-saving and user-friendly designs in modern devices.