Koichi Mitobe

Title: Koichi Mitobe: Innovator in Color Picture Tube Technology

Introduction

Koichi Mitobe is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of color picture tube technology, holding a total of 2 patents. His innovative methods have advanced the manufacturing processes of color television picture tubes, enhancing their performance and quality.

Latest Patents

Mitobe's latest patents include a method of manufacturing color picture tubes and a process for the production of color television picture tubes. The method of manufacturing color picture tubes involves coating phosphors of three primary colors on the inner surface of the faceplate, applying an acrylic resin emulsion, and vapor depositing metal to form a metallic reflecting film. This innovative approach prevents bulging of the metallic reflecting film during the baking step while minimizing pinholes and cracks, thus maintaining the brightness of the reproduced picture. The process for the production of color television picture tubes focuses on forming a phosphor layer and a volatilizable substrate layer, which improves brightness and prevents blistering or separation of the metal film during the volatilization step.

Career Highlights

Koichi Mitobe has been associated with Hitachi, Ltd., where he has contributed to the development of advanced technologies in the field of display systems. His work has been instrumental in enhancing the quality and efficiency of color picture tube manufacturing.

Collaborations

Mitobe has collaborated with notable coworkers such as Osamu Matsuzaki and Michio Abe, contributing to the innovative advancements in their field.

Conclusion

Koichi Mitobe's contributions to color picture tube technology have significantly impacted the industry. His innovative patents and collaborative efforts continue to influence advancements in display technology.