Hiroyuki Koba

Title: Hiroyuki Koba: Innovator in Color Cathode Ray Tube Technology

Introduction

Hiroyuki Koba is a notable inventor based in Fukaya, Japan. He has made significant contributions to the field of display technology, particularly in the development of color cathode ray tubes. With a total of 3 patents to his name, Koba's work has had a lasting impact on the industry.

Latest Patents

One of Koba's latest patents is for a color cathode ray tube with a small neck diameter and a large stem pin circle having a sufficient number of conductive lead pin segments. This innovation involves inner lead pin segments that extend inside the neck of a funnel constituting a vacuum envelope, along with outer lead pin segments that are led out of the neck. The design includes interconnecting wires that connect both lead pin segments together, enhancing the efficiency and functionality of the tube.

Another significant patent is for a deflection device for a color picture tube apparatus. In this invention, a deflection unit is provided around a color picture tube, generating a leakage magnetic field. Koba's design incorporates a metal cover made of aluminum, which generates a first opposition magnetic field due to the leakage magnetic field. A conductive and non-magnetic metal plate is strategically placed to generate a second opposition magnetic field, effectively canceling the first and improving the performance of the apparatus.

Career Highlights

Hiroyuki Koba is associated with Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to explore and innovate in the realm of display technologies, contributing to advancements that benefit both consumers and the industry.

Collaborations

Koba has collaborated with notable coworkers such as Kenichi Kobayashi and Naoto Nakamura. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in their field.

Conclusion

Hiroyuki Koba's contributions to color cathode ray tube technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of engineering principles and a commitment to enhancing display technology. Koba's work continues to influence the industry and inspire future inventors.