Hiroshi Yaana

Title: Hiroshi Yaana: Innovator in Injector Technology

Introduction

Hiroshi Yaana is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of injector technology, holding three patents to his name. His innovative designs focus on improving the efficiency and functionality of injectors.

Latest Patents

Yaana's latest patents include an injector capable of suppressing subsequent dripping of fluid. This injector features a cylindrical barrel, a movable body housed within the barrel, and a plunger that comes into separable contact with the movable body. The movable body consists of a main body with an outer diameter smaller than the inner diameter of the barrel, a disk-shaped seal body that closely contacts the inner circumferential surface of the barrel, and at least one projecting portion extending from the main body toward the barrel's inner surface. The design ensures that the distance from the central axis of the movable body to the leading end of the projecting portion is smaller than half of the outer diameter of the seal body. Another patent describes a standard injector that includes a cylindrical barrel with a discharge port, a seal body that contacts the barrel's inner surface, and a plunger that pushes the seal body toward the discharge port. A stopper is also included, which comes into elastic contact with the other component in a radial direction of the barrel.

Career Highlights

Throughout his career, Hiroshi Yaana has worked with prominent companies such as Kabushikikaisha Shofu and Shofu Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in injector technology.

Collaborations

Yaana has collaborated with talented individuals in his field, including Hideto Kasaba and Hiroyuki Kobayashi. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Hiroshi Yaana is a distinguished inventor whose work in injector technology has led to significant advancements. His patents reflect a commitment to improving the functionality and efficiency of injectors, making him a valuable contributor to the field.