This inventor holds 3 USPTO granted patents. Top assignee: Matsushita Electronics Corporation. Active years: 1998-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998-1999
Title: Akitsugu Ishii: Innovator in Cathode Ray Tube Technology
Introduction
Akitsugu Ishii is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of cathode ray tube technology, holding a total of 3 patents. His work has focused on improving the performance and efficiency of cathode ray tubes, which have been essential in various display technologies.
Latest Patents
Ishii's latest patents include innovative designs that address common issues in cathode ray tubes. One of his patents is for a deflection yoke and color cathode ray tube with a deflection yoke. This invention allows for the correction of both pincushion distortion at the upper and lower edges of the screen and the misconvergence of the screen simultaneously, eliminating the need for a correction magnet. The design features a saddle-shaped horizontal deflection coil, a saddle-shaped vertical deflection coil, and a high permeability core with notch portions at the center parts of the upper and lower portions of the screen side end.
Another significant patent is for a compensating device for raster distortion of CRTs. This device compensates for raster distortion, including inner pincushion distortion, through a simple and cost-effective configuration. It consists of an electromagnet and a pair of permanent magnets, strategically placed to generate magnetic poles that align with the beam-deflection area.
Career Highlights
Akitsugu Ishii has had a distinguished career at Matsushita Electronics Corporation, where he has contributed to various projects and innovations in display technology. His expertise in cathode ray tube design has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Ishii has collaborated with talented individuals such as Koji Shimada and Toshio Ose. These collaborations have fostered innovation and have led to advancements in the technology surrounding cathode ray tubes.
Conclusion
Akitsugu Ishii's contributions to cathode ray tube technology have had a lasting impact on the industry. His innovative patents and collaborative efforts continue to influence advancements in display technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile