Toru Nakashima

Title: The Innovations of Toru Nakashima

Introduction

Toru Nakashima is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of engineering, particularly in the development of fuel pumps and sound-producing apparatuses. With a total of 3 patents to his name, Nakashima continues to push the boundaries of innovation.

Latest Patents

One of Nakashima's latest patents is a fuel pump designed with a passage for attenuating noise generated by the impeller. This regenerative type fuel pump is mounted in a fuel tank and features a pump housing that defines a pump chamber. The impeller, which is rotatably mounted within the pump housing, is equipped with multiple blades. Additionally, the fuel pump includes a vapor relief port that allows vapor generated during the impeller's rotation to escape into the fuel tank.

Another significant invention is a warning chord sound producing apparatus that utilizes an integrated circuit. This device employs a 1-bit microcomputer driven by a clock signal, which has first and second output ports. The signals from these ports control transistors that drive step-up transformers, ultimately producing sound through piezoelectric elements. The microcomputer's memory stores a program that generates square-wave pulse-train signals with varying basic frequencies.

Career Highlights

Toru Nakashima is currently employed at Nippondenso Co., Ltd., a company known for its advancements in automotive technology. His work has been instrumental in enhancing the efficiency and functionality of fuel systems and sound devices.

Collaborations

Throughout his career, Nakashima has collaborated with talented individuals such as Haruhiko Inoue and Sigeki Furuta. These partnerships have contributed to the successful development of his innovative projects.

Conclusion

Toru Nakashima's contributions to the field of engineering exemplify the spirit of innovation. His patents reflect a commitment to improving technology and enhancing user experience. As he continues to develop new inventions, Nakashima remains a key figure in the world of engineering.