Tomokazu Ninomiya

Title: The Innovations of Tomokazu Ninomiya

Introduction

Tomokazu Ninomiya is a notable inventor based in Iwakuni, Japan. He has made significant contributions to the field of materials science, particularly in the processing of thermoplastic materials. With a total of 2 patents, his work has advanced the methods of injection molding and film production.

Latest Patents

Ninomiya's latest patents include a process for injection molding ultra high molecular weight polyethylene. This innovative process involves injecting the polyethylene into a cavity that is 1.5-3.0 times the volume of the injected material at a shear rate of at least 50,000 sec^-1 measured at the gate of the injection nozzle. The process then compresses the cavity to a volume less than 1.5 times that of the injected polyethylene. Another significant patent is for a device that produces an obliquely oriented film of thermoplastic. This device consists of an extruder, an annular die, a first mandrel, a second mandrel, and drawing rolls. The first and second mandrels are rotated in different directions, enhancing the film's properties.

Career Highlights

Ninomiya is currently employed at Mitsui Petrochemical Industries, Ltd., where he continues to innovate in the field of polymer processing. His work has been instrumental in developing new techniques that improve the efficiency and quality of thermoplastic products.

Collaborations

Throughout his career, Ninomiya has collaborated with esteemed colleagues such as Syuzo Sasagawa and Hideo Washio. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Tomokazu Ninomiya's contributions to the field of materials science through his patents and collaborations highlight his role as a leading inventor in Japan. His innovative processes and devices continue to influence the industry and pave the way for future advancements.