This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2002.
Company Filing History:
Years Active: 2002
Title: Tustomu Takekawa: Innovator in Color Cathode Ray Tube Technology
Introduction
Tustomu Takekawa is a notable inventor based in Fukaya, Japan. He has made significant contributions to the field of display technology, particularly with his innovative work on color cathode ray tube apparatuses. His inventions have played a crucial role in enhancing image quality in various applications.
Latest Patents
Tustomu Takekawa holds a patent for a color cathode ray tube apparatus. This invention includes an electron gun, where an intermediate electrode is strategically arranged at the mechanical center between a focus electrode and anode electrode, forming a rotationally symmetric bi-potential lens. The design features a disk-like intermediate electrode with an electron beam hole that is larger in the vertical direction than in the horizontal direction. This configuration allows for optimal focusing of the electron beam spot on the phosphor screen, significantly reducing elliptic distortion and improving image quality across the entire surface.
Career Highlights
Takekawa is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work has been instrumental in advancing the capabilities of cathode ray tube technology, which has been widely used in television and computer monitors.
Collaborations
Some of his notable coworkers include Hirofumi Ueno and Noriyuki Miyamoto. Their collaborative efforts have contributed to the development of innovative technologies in the field.
Conclusion
Tustomu Takekawa's contributions to color cathode ray tube technology exemplify the impact of innovation in enhancing visual display quality. His work continues to influence the industry and inspire future advancements in display technologies.