Company Filing History:
3 out of 58 
2 out of 446 
Years Active: 1978-1980
Title: Kiyofumi Usui: Innovator in Paper Detection and Miniature Printing
Introduction
Kiyofumi Usui is a notable inventor based in Shiojiri, Japan, recognized for his contributions to the fields of paper detection and miniature printing. With a total of three patents to his name, Usui has developed innovative solutions that enhance the functionality of printing devices and paper management systems.
Latest Patents
One of Usui's latest patents is the "End of Paper Roll Detection Assembly." This assembly is designed to detect the end or near-end of a paper roll on a hollow core. It features a detecting bar that is pivotally mounted on a retaining bar, which is biased towards the side face of the paper roll. As the paper is consumed, the core lowers towards the retaining member until it aligns with the detecting bar, actuating a switch that generates a signal indicating that a predetermined amount of paper remains on the roll. The switch can be a reed switch or a microswitch, providing flexibility in its application.
Another significant invention by Usui is a "Miniature Printer." This printer is particularly suitable for use in small calculators and similar devices. It utilizes energy released from a spring storage mechanism to power the printing, paper feeding, and inking operations. The energy can be stored through manual operation or motor power, making it a versatile solution for compact printing needs.
Career Highlights
Throughout his career, Kiyofumi Usui has worked with several companies, including Shinshu Seiki Co., Ltd. and Suwa Seikosha Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative printing technologies.
Collaborations
Usui has collaborated with notable coworkers such as Chihiro Otsuki and Sadaharu Inukai, further enriching his professional journey and expanding his innovative capabilities.
Conclusion
Kiyofumi Usui's contributions to the fields of paper detection and miniature printing demonstrate his commitment to innovation and problem-solving. His patents reflect a deep understanding of the needs within the printing industry, making him a significant figure in the realm of inventions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.