This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Sony Corporation. Active years: 1985-1997.
Location History:
- Aichi, JP (1985 - 1992)
- Tokyo, JP (1994)
- Kanagawa, JP (1996 - 1997)
Company Filing History:
Years Active: 1985-1997
Title: Hisao Kume: Innovator in Cathode Ray Tube Technology
Introduction
Hisao Kume is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of cathode ray tube (CRT) technology, holding a total of 6 patents. His work has focused on improving the accuracy and efficiency of CRTs, which have been essential in various display technologies.
Latest Patents
One of Hisao Kume's latest patents involves a cathode ray tube apparatus that can accurately, easily, and automatically correct influences exerted on both beam landing drift and image distortion drift caused by terrestrial magnetism. This innovative design utilizes a correction current based on the output of a terrestrial magnetism sensor, which is supplied to correction coils to ensure optimal performance. Another significant patent is for a frame structure of an aperture grille that enhances the effective screen area of a color selecting electrode. This design features a pair of long-side frames and short-side frames, ensuring that the color selecting electrode is adequately supported and positioned.
Career Highlights
Hisao Kume has dedicated his career to advancing CRT technology, particularly while working at Sony Corporation. His innovative designs have contributed to the development of more reliable and efficient display systems, which have been widely adopted in various applications.
Collaborations
Throughout his career, Kume has collaborated with talented individuals such as Takahide Sanma and Shuichi Kuwajima. These partnerships have fostered a creative environment that has led to groundbreaking advancements in CRT technology.
Conclusion
Hisao Kume's contributions to cathode ray tube technology have made a lasting impact on the industry. His innovative patents and collaborative efforts continue to influence the development of display technologies today.