Hisashi Kojoh

Title: Hisashi Kojoh: Innovator in Tubular Thin Film Technology

Introduction

Hisashi Kojoh is a notable inventor based in Yatsushiro, Japan. He has made significant contributions to the field of tubular thin film technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of Hisashi Kojoh's latest patents is for an internal mandrel designed for cooling a tubular thin film. This invention eliminates the air layer in the lower side cooler of the internal mandrel, allowing for the continuous and stable production of tubular thin films. The internal mandrel is characterized by its ability to directly cool the tubular thin film while utilizing an external circularly shaped cooling tank. The tubular thin film is extruded downward through a circular slit of the die, and the coolant flows in a countercurrent direction to the tubular thin film, enhancing the cooling process.

Another significant patent is a method and apparatus for producing stretched film. This invention further demonstrates Hisashi's commitment to advancing technology in the film production industry.

Career Highlights

Hisashi Kojoh is associated with Kohjin Co., Ltd., where he applies his expertise in developing innovative solutions for the production of thin films. His work has contributed to the company's reputation as a leader in this specialized field.

Collaborations

Hisashi has collaborated with talented coworkers, including Naoya Yamaguchi and Kazuhiro Tomoda. Their combined efforts have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hisashi Kojoh's contributions to tubular thin film technology through his patents and work at Kohjin Co., Ltd. highlight his role as a key innovator in the industry. His inventions not only improve production processes but also pave the way for future advancements in film technology.