Company Filing History:
Years Active: 1990-1999
Title: **Inventor Yoshifumi Yoritomi and His Contributions to Thin Film Transistor Technology**
Introduction
Yoshifumi Yoritomi, a prominent inventor based in Yokohama, Japan, has made significant advancements in the field of electronic components, particularly in thin film transistors. With a total of five patents to his name, Yoritomi's work has enhanced the performance and efficiency of liquid crystal display (LCD) elements, which are vital in various electronic devices.
Latest Patents
Yoritomi's latest patents focus on innovative thin film transistor structures designed to improve on-current levels. His inventions feature a semiconductor active layer, with a control electrode layer positioned beneath, separated by an insulating layer. He has devised a unique design for the first and second main electrode layers that are strategically formed above the active layer to define a channel, working in conjunction with the control electrode layer. This design ensures that one peripheral edge of the active layer is perpendicular to the channel direction, while the other is not, allowing the main electrode layer to extend over these edges. Such advancements ensure that the side faces of the active layer are adequately covered, resulting in enhanced electrical properties.
Career Highlights
Yoritomi's career is marked by his tenure at Hitachi, Ltd., a leading global technology company. His contributions to the field of electronics, particularly in the design and structure of thin film transistors, have paved the way for advancements in liquid crystal display technology. His dedication to innovation reflects the core values of Hitachi and showcases the company's commitment to technological excellence.
Collaborations
Throughout his career, Yoshifumi Yoritomi has collaborated with esteemed colleagues such as Eiji Matsuzaki and Akihiro Kenmotsu. These partnerships have fostered a productive environment where innovative ideas are shared and developed, leading to the successful patenting of multiple inventions that continue to impact the industry.
Conclusion
Yoshifumi Yoritomi's contributions to thin film transistor technology are not only remarkable but also essential in the current landscape of electronic device development. With his continued innovation and collaboration with leading experts, Yoritomi remains a key figure in advancing technology within the realm of liquid crystal displays and beyond.