Katsumi Muroi

Title: Innovations of Katsumi Muroi

Introduction

Katsumi Muroi is a notable inventor based in Kudamatsu, Japan. He has made significant contributions to the field of image recording and printing technology. With a total of 9 patents to his name, Muroi's work has had a considerable impact on the industry.

Latest Patents

Muroi's latest patents include an image recording method and apparatus. This innovative image recording apparatus features a recording electrode with electrode needles aligned in columns. It also includes a driving circuit that applies an image recording voltage to the electrode needles, a recording medium with a conductive layer and a surface insulating layer, and a voltage circuit that applies a predetermined voltage between the recording medium and the electrode needles. This design effectively avoids fog on the recorded image. Another significant patent is for a printing machine that utilizes electrically conductive and magnetically inductive printing toner. This machine comprises an array of electrode needles that contact the toner, with each needle individually energized according to a desired printing pattern. The design allows for the toner to be attracted and attached to an insulating surface, facilitating efficient printing processes.

Career Highlights

Throughout his career, Muroi has worked with prominent companies such as Hitachi, Ltd. and Hitachi Metals, Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Muroi has collaborated with notable coworkers, including Kenji Okuna and Tsutomu Iimura. Their joint efforts have further advanced the field of image recording and printing technologies.

Conclusion

Katsumi Muroi's contributions to innovation in image recording and printing technology are commendable. His patents reflect a deep understanding of the technical challenges in these fields, and his work continues to influence future developments.