Keishi Ohshima

Title: Keishi Ohshima: Innovator in Oxygen Production and Compression Technology

Introduction

Keishi Ohshima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of oxygen production and compression technology. With a total of 2 patents, his work reflects a commitment to innovation and efficiency.

Latest Patents

Ohshima's latest patents include a method and device for producing oxygen. This oxygen-production device utilizes a pulse-tube cryocooler to cool air and liquefy oxygen. The main container is designed to obtain and retain liquefied oxygen, featuring a heat regenerator, a cold head, and a pulse tube. A temperature sensor measures the temperature of the liquefied oxygen, while a control device regulates the output of the pulse-tube cryocooler based on the temperature readings. Another significant patent is for a linear compressor that incorporates a plurality of support springs and a dual compression unit. In this design, a yoke forms a linear drive section alongside a driver coil, integrating with a cylinder and container. The piston is supported by springs, optimizing the compressor's design and assembly accuracy.

Career Highlights

Keishi Ohshima is associated with Fuji Electric Co., Ltd., where he has been able to apply his innovative ideas in practical applications. His work has contributed to advancements in technology that enhance efficiency and performance in various systems.

Collaborations

Ohshima has collaborated with notable coworkers, including Kentaro Toyama and Yukio Yasukawa. Their combined expertise has likely fostered an environment of creativity and innovation.

Conclusion

Keishi Ohshima's contributions to oxygen production and compression technology exemplify the spirit of innovation. His patents reflect a deep understanding of engineering principles and a commitment to improving technological processes.