Iwao Ohshima

Title: Innovations by Iwao Ohshima: Pioneering Patents from Kawasaki, JP

Introduction

Iwao Ohshima is an innovative inventor based in Kawasaki, Japan, recognized for his contributions to technology through six distinct patents. With a background in engineering and a focus on practical applications, Ohshima has developed devices that address critical challenges in metal ion detection and liquid metal handling.

Latest Patents

One of Ohshima's notable recent inventions is a **Method and Device for Detecting Metal Ions**. This advanced device leverages an insulated gate-type field-effect transistor (MOSFET) to detect metal ions in the atmosphere. It features a metal ion detecting element connected to a current flow mechanism and a detection system that measures changes in current strength influenced by the electric charge of metal ions arriving at the gate oxide film. Key to its design is a passage within the gate electrode that facilitates the migration of metal ions to the gate oxide film.

Another significant patent is the **Plugging Device**, designed to manage the flow of liquid metal. This device includes a plugging orifice with a conical portion that spreads out toward the upper course and a straight pipe portion extending from the smaller diameter of the conical section. The design ensures that impurities in the liquid metal are efficiently precipitated, enhancing the purity of the processed material. This system is equipped with a cooler that regulates the motor of a blower to maintain optimal cooling conditions based on the liquid metal flow rate.

Career Highlights

Ohshima currently works at Tokyo Shibaura Denki Kabushiki Kaisha, a renowned company in Japan that specializes in electrical machinery and electronics. His role involves not only the development of innovative technologies but also the application of his patents in real-world scenarios, contributing to the technological advancement of the industry.

Collaborations

Throughout his career, Iwao Ohshima has collaborated with esteemed colleagues such as Ryoichi Ohtani and Shigeru Takahashi. These partnerships have facilitated knowledge sharing and enhanced the quality of the innovations produced, underscoring the importance of teamwork in the creative process.

Conclusion

Iwao Ohshima exemplifies the spirit of innovation through his groundbreaking patents and contributions to technology. His dedication to developing practical solutions for detecting metal ions and managing liquid metals not only showcases his technical expertise but also demonstrates a commitment to improving industry practices. Through his ongoing efforts at Tokyo Shibaura Denki Kabushiki Kaisha and collaborations with fellow inventors, Ohshima remains a significant figure in the field of technological innovation.