Masakatsu Shimada

Title: Masakatsu Shimada: Innovator in Electrical Connection Technologies

Introduction

Masakatsu Shimada is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical connection technologies, holding a total of 2 patents. His innovative designs focus on enhancing the functionality and reliability of electrical connections in various applications.

Latest Patents

One of Shimada's latest patents is for a recharging terminal. This invention provides an interterminal connection structure capable of eliminating the precipitate adhering to the terminal during installation. It secures the electrically connected state of the terminal between a pair of members and easily accommodates design changes in the spring load. In a cordless handset of a domestic telephone, the conductive state of the terminals is designed to contact in a mutually intersecting manner. The terminal on the battery charger side is made to rotate and move during the installation operation of the cordless handset. This design ensures that even if there is a precipitate on the terminals, it will be chipped off due to the contact movement, thereby preventing a loose connection.

Another significant patent by Shimada is for an automotive cigar lighter plug. This invention includes a slider that is slidable between first and second positions. At the first position, a contact spring is urged outward to fit into a small size cigar lighter socket. At the second position, the contact spring adjusts to fit into a larger socket. The design incorporates a click feel and sound to inform the user when the adjustment operation is completed.

Career Highlights

Masakatsu Shimada has worked with prominent companies such as SMK Corporation and Uniden Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Throughout his career, Shimada has collaborated with talented individuals, including Motokazu Sasa and Kenji Nagai. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masakatsu Shimada's contributions to electrical connection technologies demonstrate his innovative spirit and dedication to improving functionality in everyday devices. His patents reflect a commitment to solving practical problems and enhancing user experience.