Location History:
- Fukaya, JP (1999 - 2006)
- Tokyo, JP (2006)
Company Filing History:
Years Active: 1999-2006
Title: **Innovator Hirofumi Ueno: A Pioneer in Cathode-ray Tube Technology**
Introduction
Hirofumi Ueno is a notable inventor based in Fukaya, Japan, recognized for his significant contributions to the field of cathode-ray tube technology. With a total of 15 patents to his name, Ueno's innovations display a remarkable blend of engineering ingenuity and forward-thinking design.
Latest Patents
Ueno's recent patents focus on advancements in cathode-ray tube apparatuses. One patent details a prefocus lens section created by a screen electrode and an additional electrode, complemented by a main lens section formed by a focus electrode, anode electrode, and an intermediate electrode. This innovative design includes cylindrical electrodes on opposing faces, allowing a voltage to be effectively applied to enhance functionality.
Another notable patent elaborates on a cathode-ray tube apparatus where a prefocus lens section is designed with a second and third grid in a rotation-symmetric arrangement. This invention emphasizes the significance of shaping the electron beam prior to its entry into the main lens section, optimizing its dimensions for improved performance.
Career Highlights
Hirofumi Ueno has made substantial contributions while working at Kabushiki Kaisha Toshiba, a leading company in electronic innovations. His work has not only advanced technology within the industry but also paved the way for future developments in display technology.
Collaborations
Collaborating with esteemed colleagues Tsutomu Takekawa and Kazunori Satou, Ueno has engaged in several projects that explore the limits of cathode-ray tube functionality. Their collective expertise enhances the innovation process, allowing for a cross-pollination of ideas and fostering an environment of creativity.
Conclusion
Hirofumi Ueno stands as a significant figure in the realm of inventions, particularly within cathode-ray tube technology. Through his 15 patents and collaborative efforts, he continues to influence the electronics industry markedly. Ueno's work not only showcases his inventive spirit but also highlights the importance of collaboration in the advancement of technology.