Tosinobu Yokoyama

Title: Tosinobu Yokoyama: Innovator in Cathode Ray Tube Technology

Introduction

Tosinobu Yokoyama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of cathode ray tube technology. His innovative methods have paved the way for advancements in display technology.

Latest Patents

Yokoyama holds a patent for a "Shadow mask assembly manufacturing method and cathode ray tube manufacturing method." This patent describes a method of manufacturing a shadow mask assembly, where a shadow mask is fastened to a support frame in a tensioned state. The process involves applying a preliminary tension force ranging from 9.8 to 490 N to the four corners of the shadow mask, which is done outwardly aslant with respect to the sides of the shadow mask. Following this, a main tension force is applied to at least a pair of mutually opposite sides of the shadow mask perpendicularly. Finally, the shadow mask is fastened to the frame side of the support frame.

Career Highlights

Yokoyama is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work has contributed to the development of more efficient manufacturing processes in the electronics industry.

Collaborations

Yokoyama has collaborated with notable coworkers such as Ayumu Takakuwa and Yuji Uesugi. Their combined expertise has further enhanced the innovations in their respective fields.

Conclusion

Tosinobu Yokoyama's contributions to cathode ray tube technology exemplify the spirit of innovation. His patent reflects a deep understanding of manufacturing processes that continue to influence the electronics industry today.