Company Filing History:
Years Active: 1991-2007
Title: Tsutomu Yamakami: Innovator in Charging Devices
Introduction
Tsutomu Yamakami is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of charging devices, holding a total of 3 patents. His work has been instrumental in advancing technology related to image forming apparatuses.
Latest Patents
Yamakami's latest patents include innovative designs for charging devices and process cartridges. One of his patents describes a charging device that features a charging roller with a metal cylinder and an elastic layer. This device also includes a cleaner designed to maintain the surface of the charging roller. The cleaner consists of a driving shaft and a cleaning roller, which is rotatably mounted on the driving shaft. The cleaning roller is made from a non-cellular foam resin, with a density ranging from 5 to 15 kg/m and a tensile strength between 1.2 to 2.2 kg/cm.
Career Highlights
Tsutomu Yamakami is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has contributed to the development of more efficient and effective charging devices, enhancing the performance of various imaging systems.
Collaborations
Yamakami has collaborated with notable coworkers, including Masato Yanagida and Hiroyuki Nagashima. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Tsutomu Yamakami's contributions to the field of charging devices exemplify his dedication to innovation. His patents reflect a commitment to improving technology in image forming apparatuses. His work continues to influence the industry and inspire future advancements.