Nobuyuki Hiraishi

Title: **Innovator Nobuyuki Hiraishi: Pioneering Metal Vapor Technology**

Introduction

Nobuyuki Hiraishi, a notable inventor based in Katsuta, Japan, has made significant contributions to the field of technology with two registered patents. His innovative spirit and technical expertise are reflected in his latest inventions, which focus on advancements in vacuum treatment processes and metal vapor generation.

Latest Patents

Hiraishi's most recent patents include a **Metal Vapor Generator** and **Roll Seal Boxes for Continuous Vacuum Treating Apparatus**. The **Metal Vapor Generator** is ingeniously designed to have an airtight joint positioned near the lower portion of the body, where an opening exists at the top. This strategic arrangement minimizes the penetration of large metal particle sizes, such as copper or aluminum, into the airtight joint, thus enhancing the efficiency of detachment between the body and the bottom plate of the generator.

In addition, his **Roll Seal Boxes for Continuous Vacuum Treating Apparatus** facilitate continuous surface treatment of soft material workpieces, such as plastic moldings, using a sophisticated air-to-air system in a vacuum environment. This apparatus features a vacuum treating chamber, complemented by a series of auxiliary vacuum chambers that ensure effective treatment while maintaining appropriate atmospheric conditions. The design specifies that the upper and lower seal rolls of the auxiliary vacuum chambers nearest to the vacuum treating chamber have smaller diameters compared to those of the chambers closest to the atmosphere.

Career Highlights

Nobuyuki Hiraishi has showcased his inventive prowess while working with several prestigious companies in Japan, including Hitachi, Ltd. and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has greatly contributed to his development as an innovative leader in the field.

Collaborations

Throughout his career, Hiraishi has had the privilege of collaborating with esteemed colleagues, such as Susumu Ueno and Kouiti Kuroda. Together, they brought forth groundbreaking ideas that continue to influence industry standards and practices.

Conclusion

Nobuyuki Hiraishi's work exemplifies the ingenuity and forward-thinking necessary to advance technology. His patents not only illustrate his expertise but also highlight the importance of innovation in the ever-evolving engineering landscape. As he continues his journey as an inventor, his contributions will undoubtedly shape the future of metal vapor generation and vacuum processing.