Masayoshi Misono

Title: Masayoshi Misono: Innovator in Cathode Ray Tube Technology

Introduction

Masayoshi Misono is a prominent inventor based in Chiba-ken, Japan, known for his significant contributions to the field of cathode ray tube (CRT) technology. With an impressive portfolio of 33 patents, Misono has been at the forefront of innovations that enhance the performance and functionality of CRTs.

Latest Patents

Among his latest inventions, Misono has developed a color cathode ray tube that features an improved electron gun. This innovative design includes a cathode that forms multiple electron beams arranged in-line, complemented by a focusing electrode and an anode that comprise the main lens essential for focusing and accelerating the electron beams. Notably, the focusing electrode incorporates a first division electrode and a second division electrode, arranged to control the scanning speed of the electron beams effectively. The interaction between these components allows for a more precise operation of the CRT.

Another significant patent by Misono involves a cathode ray tube with an electron gun that features magnetic pieces attached to one of its multiple electrodes. This configuration is designed to correct deflection defocusing, using a phosphor screen and an electron gun that interacts with a deflection device. The innovative use of magnetic pieces on either side of the electron beam trajectory ensures enhanced accuracy in the magnetic deflection field, ultimately improving the overall performance of the CRT.

Career Highlights

Misono's career spans notable positions in reputable companies including Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His work at these institutions has played a critical role in the advancement of cathode ray tube technologies, contributing to the evolution of display systems in various applications.

Collaborations

Throughout his career, Masayoshi Misono has collaborated with talented individuals in the field, including Hiroyuki Tamura and Mitsuhiro Sugiyama. These collaborations have fostered a dynamic exchange of ideas, further propelling innovations in CRT technology.

Conclusion

Masayoshi Misono's extensive portfolio of patents and contributions to the field of cathode ray tube technology highlight his status as a leading innovator. His collaborations and career achievements have not only advanced CRT technology but have also set a foundational benchmark for future innovations in the industry.