Yoshiyuki Umeda

Title: The Innovations of Yoshiyuki Umeda

Introduction

Yoshiyuki Umeda is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 11 patents. His work has been instrumental in advancing display technologies that are widely used today.

Latest Patents

Umeda's latest patents include innovative designs for liquid crystal display devices. One notable patent describes a liquid crystal display device where each unit pixel is formed as a region surrounded by scanning signal lines and data signal lines. This design includes a pixel electrode that receives signals from the data signal line through a thin film transistor, along with a common electrode connected to a common signal line. The common electrode is arranged to be superposed on the common signal line via an insulation layer, ensuring efficient signal transmission. Another patent focuses on a liquid crystal display device featuring a source electrode with a projecting portion, enhancing the functionality and performance of the display.

Career Highlights

Throughout his career, Yoshiyuki Umeda has worked with notable companies such as Hitachi, Ltd. and Hitachi Displays, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in display technology.

Collaborations

Umeda has collaborated with esteemed colleagues, including Katsumi Kondo and Yasushi Tomioka. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Yoshiyuki Umeda's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his role as a leading inventor in this field.