Company Filing History:
Years Active: 2002-2004
Title: Shunji Ookubo: Innovator in Cathode Ray Tube Technology
Introduction
Shunji Ookubo is a prominent inventor based in Kumagaya, Japan. He has made significant contributions to the field of electron gun assemblies, particularly in the development of color cathode ray tubes. With a total of 4 patents to his name, Ookubo's work has had a lasting impact on display technology.
Latest Patents
Among his latest patents, one notable invention is a color cathode ray tube that features an innovative electron gun assembly. This assembly includes a main convergence lens composed of a focus electrode, an anode electrode, and an intermediate electrode. The design allows for a high intermediate potential to be applied, creating a multiple pole lens that enhances the main electron lens's large aperture. Another significant patent is for a cathode-ray tube apparatus that incorporates a main lens with multiple grids. This design includes an asymmetric lens section that varies lens power in synchronism with the deflection of electron beams, optimizing performance for both center and side beams.
Career Highlights
Shunji Ookubo is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate in the field of display technology. His work has been instrumental in advancing the capabilities of cathode ray tubes, which have been widely used in various electronic devices.
Collaborations
Throughout his career, Ookubo has collaborated with notable colleagues such as Junichi Kimiya and Takahiro Hasegawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.
Conclusion
Shunji Ookubo's contributions to cathode ray tube technology exemplify the spirit of innovation. His patents reflect a deep understanding of electron gun assembly design, which has significantly influenced the industry. His ongoing work at Toshiba continues to push the boundaries of display technology.