Junichi Tatsumi

Title: Innovations by Junichi Tatsumi

Introduction

Junichi Tatsumi is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrical connectors and wiring systems. With a total of three patents to his name, Tatsumi's work reflects his expertise and innovative spirit.

Latest Patents

One of Tatsumi's latest patents is an electrical connector with a shield shell designed for connecting to a case. This connector features a terminal metal fitting that connects to an electric wire and is configured to be inserted into a connector insertion hole of a metal case from an opening. The housing includes a connector insertion part that is also designed to be inserted into the connector insertion hole along with the terminal metal fitting. Additionally, a liquid seal member is included to seal the gap between the housing and the rim of the opening in the case. The shield shell consists of a cylindrical accommodation body that houses the connector, an annular flange opposing the annular surface around the rim of the opening, and a fixed part that secures it to the case. An annular interposed member is also included to be sandwiched between the flange and the annular surface.

Another significant patent by Tatsumi is a branching circuit body and method of electric wires. This invention includes a first electric wire covered by a first shield tube, and a second electric wire that is electrically connected to the first and drawn out through an opening in the first shield tube. The second shield tube covers the second electric wire and has an end portion inserted into the opening, while a coupling band joins the second shield tube to the first shield tube.

Career Highlights

Junichi Tatsumi is currently employed at Yazaki Corporation, a leading company in the automotive industry known for its innovative electrical systems. His work at Yazaki has allowed him to develop and patent advanced technologies that enhance the efficiency and reliability of electrical connections in vehicles.

Collaborations

Tatsumi has collaborated with several talented individuals, including Kazuyuki Kawashita and Kotei O. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Junichi Tatsumi's contributions to the field of electrical connectors and wiring systems demonstrate his innovative capabilities and commitment to advancing technology. His patents reflect a deep understanding of electrical engineering and a dedication to improving the functionality of electrical connections.