Toshihiko Shichijyo

Title: Toshihiko Shichijyo: Innovator in Color Display Technology

Introduction

Toshihiko Shichijyo is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of color display technology, holding a total of 2 patents. His work has been instrumental in advancing the performance and quality of color picture tubes and display devices.

Latest Patents

Shichijyo's latest patents include a "Color Picture Tube Apparatus with Pincushion Distortion Correction." This invention features a system designed to enhance the upper and lower pincushion distortion in the vertical direction. It achieves this by adjusting the preliminary vertical deflection force applied to the electron beam, optimizing the distortion correction for better image quality. Another significant patent is the "Color Display Tube Device," which incorporates a composite correction circuit. This device utilizes a series of reactor coils and a vertical control coil to synchronize magnetic bias with vertical deflection currents, effectively correcting mis-convergence and reducing pincushion distortion.

Career Highlights

Toshihiko Shichijyo is currently employed at Matsushita Electric Industrial Co., Ltd., a company renowned for its innovations in electronics and technology. His work at Matsushita has allowed him to focus on developing advanced display technologies that enhance user experience.

Collaborations

Shichijyo has collaborated with notable coworkers, including Etsuji Tagami and Etsuiji Tagami. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Toshihiko Shichijyo's contributions to color display technology have made a lasting impact in the field. His innovative patents reflect his dedication to improving visual technology, and his work continues to influence advancements in the industry.