This inventor holds 3 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1979-1986.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Owara-asahi, JP (1979)
- Nagoya, JP (1986)
- Owariasahi, JP (1986)
Company Filing History:
Years Active: 1979-1986
Title: Kiyoshi Umezawa: Innovator in Graphic Display Technology
Introduction
Kiyoshi Umezawa is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of graphic display technology, holding a total of 3 patents. His work has had a lasting impact on how visual information is processed and displayed.
Latest Patents
Umezawa's latest patents include a "Filled Shaped Generating Apparatus" and a "Graphic Display Apparatus with a Vector Generating Circuit." The filled shaped generating apparatus is designed to fill the interior of a shape displayed on a raster scan CRT by reading out a refresh memory. This apparatus includes a memory that stores information about starting and ending points for filling, allowing for precise control over the filling process. The filling direction is perpendicular to the raster scanning of the CRT, enhancing the visual output.
The graphic display apparatus with a vector generating circuit is another innovative creation. It comprises registers for storing vector discrimination values and increments, along with flip-flops for magnitude information. This design allows for high-speed vector generation, as the registers and flip-flops are constructed in two stages, enabling the preparation of data for the next vector while the current one is being generated.
Career Highlights
Kiyoshi Umezawa is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work at Hitachi has positioned him as a key player in the advancement of graphic display systems.
Collaborations
Throughout his career, Umezawa has collaborated with talented individuals such as Shigeo Tsujioka and Seiichi Kanema. These collaborations have fostered innovation and contributed to the success of various projects.
Conclusion
Kiyoshi Umezawa's contributions to graphic display technology through his patents and work at Hitachi, Ltd. highlight his role as a significant inventor in the field. His innovative approaches continue to influence the way visual information is generated and displayed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile