Hiroshi Ushida

Title: Hiroshi Ushida: Innovator in Electron Gun Technology

Introduction

Hiroshi Ushida is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of electron gun technology, particularly in the development of methods for adjusting cathode positions in cathode ray tubes. His innovative approach has led to advancements that enhance the performance and precision of electron guns.

Latest Patents

Hiroshi Ushida holds a patent for an "Adjusting method for cathode position of an electron gun and an electron gun for a cathode ray tube." This patent describes a method where the apex point of a dome-shaped cathode is detected, allowing for precise positional adjustments. The process involves moving a first grid in an X-Y direction to align the grid aperture with the apex point. Additionally, a sleeve ring and collar portion of a sleeve holder are welded together using a laser beam, ensuring that the gap between the first grid and the apex point of the cathode meets predetermined specifications. This innovative method allows for independent execution of positioning adjustments and dgk-value adjustments.

Career Highlights

Hiroshi Ushida is currently employed at Sony Corporation, where he continues to work on cutting-edge technologies in the electronics sector. His expertise in electron gun technology has positioned him as a valuable asset to the company.

Collaborations

Throughout his career, Ushida has collaborated with talented individuals such as Hideki Miyazaki and Hirofumi Nakamura. These collaborations have fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Hiroshi Ushida's contributions to electron gun technology exemplify the spirit of innovation. His patent and work at Sony Corporation highlight his commitment to advancing technology in the electronics industry. His achievements serve as an inspiration for future inventors and innovators.