Location History:
- Kendall Park, NJ (US) (1976 - 1978)
- Princeton, NJ (US) (1979 - 1985)
Company Filing History:
Years Active: 1976-1985
Title: Hirohisa Kawamoto: Innovator in Video Disc Technology
Introduction
Hirohisa Kawamoto is a notable inventor based in Kendall Park, NJ (US). He has made significant contributions to the field of video disc technology, holding a total of 11 patents. His innovative work has paved the way for advancements in video playback systems.
Latest Patents
Kawamoto's latest patents include the "Conductive Video Disc" and the "Ion Implanted Stylus." The Conductive Video Disc features a grooved disc containing video information in a surface relief pattern. This disc is made from a plastic material embedded with finely divided conductive particles, ensuring that the bulk resistivity at 900 MHz is less than 500 ohm-centimeters. The Ion Implanted Stylus presents an improved method for fabricating a diamond video disc playback stylus. This method involves preparing a bottom surface that contacts the video disc and producing a conductive layer adjacent to this surface through ion implantation. The key improvement lies in annealing the diamond at temperatures ranging from about 850°C to about 1500°C.
Career Highlights
Kawamoto has had a distinguished career, primarily working with RCA Inc. His innovative spirit and technical expertise have led to the development of groundbreaking technologies in the video disc industry. His contributions have not only enhanced the quality of video playback but have also influenced the design and functionality of video disc systems.
Collaborations
Throughout his career, Kawamoto has collaborated with notable colleagues, including Elmer Lawrence Allen, Jr. and David Joseph Miller. These collaborations have fostered a creative environment that has led to numerous advancements in their respective fields.
Conclusion
Hirohisa Kawamoto's work in video disc technology exemplifies the spirit of innovation. His patents and collaborations have significantly impacted the industry, making him a key figure in the evolution of video playback systems. His contributions continue to inspire future advancements in technology.