Company Filing History:
5 out of 127 
1 out of 50 
1 out of 349 Years Active: 1985-1995
Title: The Innovative Contributions of Yoshio Shimada
Introduction
Yoshio Shimada is a notable inventor based in Tokyo, Japan. He has made significant contributions to technology, holding a total of seven patents. His work primarily focuses on enhancing the functionality and efficiency of various devices.
Latest Patents
One of his latest inventions is a stairway lift designed to facilitate the movement of individuals or objects along stairways. This innovative stairway lift features a guide that is positioned along the sidewall of the stairs, creating a space for a mobile body that is supported by a rail. The mobile body is equipped with a drive sprocket and an electric motor, allowing it to ascend and descend the stairway seamlessly. Additionally, the carrier is designed to be removably supported by the mobile body, ensuring safe transportation.
Another significant patent by Shimada is a color hard copy apparatus that simplifies the analog-to-digital conversion process. This apparatus converts an analog video signal from a still picture frame into binary video data, enabling the production of high-quality multicolor gradation pictures. By utilizing a single analog-to-digital converter that samples the video signal at various threshold levels, the apparatus efficiently creates binary picture data signals for printing.
Career Highlights
Throughout his career, Yoshio Shimada has worked with prominent companies such as Seiko Instruments & Electronics Ltd. and Daido Kogyo Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator.
Collaborations
Shimada has collaborated with notable individuals in the field, including Fumihiro Tanaka and Kenichi Matsushima. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Yoshio Shimada's contributions to technology through his patents demonstrate his innovative spirit and dedication to improving everyday devices. His work continues to influence the fields of mobility and digital technology.