Company Filing History:
Years Active: 1998-2002
Title: Kazuhisa Oshita: Innovator in Cathode Ray Tube Technology
Introduction
Kazuhisa Oshita is a prominent inventor based in Mobara, Japan, known for his significant contributions to the field of display technology. He has been awarded five patents, showcasing his innovative approach to engineering and design.
Latest Patents
Oshita's latest patents include advancements in color cathode ray tube technology. One notable invention is a color cathode ray tube that features a small neck diameter. This design includes an evacuated envelope with a panel portion that has a phosphor screen, a neck portion, and a funnel portion connecting the two. The in-line electron gun housed in the neck portion consists of a main lens and an electrostatic quadrupole lens. The focus electrode of the electron gun has a single opening for passing three electron beams, which is designed to optimize performance. The specifications of this invention include a maximum distance from the main lens to the phosphor screen of 300 mm and specific measurements for the neck portion and the electron beam trajectory.
Career Highlights
Kazuhisa Oshita has made a significant impact in the field of display technology through his work at Hitachi, Ltd. His innovative designs have contributed to advancements in cathode ray tube technology, which have been essential in the evolution of display systems.
Collaborations
Oshita has collaborated with notable colleagues, including Go Uchida and Shoji Shirai, to further enhance the development of display technologies. Their combined expertise has led to groundbreaking innovations in the industry.
Conclusion
Kazuhisa Oshita's work in the field of cathode ray tube technology exemplifies the spirit of innovation and engineering excellence. His contributions continue to influence the development of display technologies today.