Company Filing History:
Years Active: 1977-1978
Title: Hiroyuki Sumiya: Innovator in Cathode Ray Tube Technology
Introduction
Hiroyuki Sumiya is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of cathode ray tube (CRT) technology. With a total of 2 patents to his name, Sumiya's work has had a lasting impact on the industry.
Latest Patents
Sumiya's latest patents include innovative solutions for improving the performance of color cathode ray tubes. One of his patents, titled "Convergence means for color cathode ray tube," addresses the proper convergence of beams at regions remote from the center of the screen. This invention corrects misconvergence at the center of the screen using dynamic convergence correcting means, resulting in less beam distortion. Another significant patent is the "Malfunction indication apparatus for use in a CRT deflection circuit." This apparatus detects error conditions in a deflection circuit of a cathode ray tube, enhancing the reliability of CRT technology.
Career Highlights
Hiroyuki Sumiya is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop and refine his inventions, contributing to the advancement of CRT technology.
Collaborations
Throughout his career, Sumiya has collaborated with talented individuals such as Toshinobu Ohnishi and Masao Suzuki. These collaborations have fostered innovation and creativity in their respective projects.
Conclusion
Hiroyuki Sumiya's contributions to cathode ray tube technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of display technology.